Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.6.0.2
Stockholders' Equity - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 15, 2015
Jun. 01, 2015
Jun. 02, 2014
Dec. 01, 2016
Oct. 31, 2016
Jun. 01, 2016
May 31, 2016
Mar. 31, 2016
Mar. 30, 2016
Feb. 29, 2016
Feb. 23, 2016
Jan. 02, 2016
Dec. 02, 2015
Oct. 30, 2015
Sep. 18, 2015
Jul. 28, 2015
Dec. 01, 2014
Feb. 28, 2014
Jun. 30, 2013
Dec. 31, 2016
Sep. 30, 2016
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Oct. 19, 2015
Jun. 02, 2015
Dec. 02, 2014
Mar. 17, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock Based compensation, Options Contractual term                                             10 years            
Stock-based compensation weighted-average vesting period                                             2 years 2 months 12 days            
Employee Stock Purchase Plan to eligible employees, Reckoning fair value percentage during offering period       85.00%   85.00%                           85.00%     85.00%            
Employee Stock Purchase Plan to eligible employees, compensation expense recognized                                             $ 0.1 $ 45,000 $ 25,000        
Common Stock issued in connection with the first ESPP offering       52,769   33,958                                              
Share Based Compensation Restricted Stock Units                                             $ 9,900,000 $ 6,900,000 4,000,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                                             2 years 2 months 12 days            
Common Stock Par Or Stated Value Per Share       $ 2.03   $ 2.40                           $ 0.001     $ 0.001 $ 0.001          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value                                                 11,600,000        
Share Price       $ 2.39   $ 2.82                                              
Research And Development Expense                                             $ (35,134,000) $ (29,810,000)          
General and Administrative Expense                                             $ (28,229,000) (18,734,000)          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                       9,978,201     9,978,201            
Proceeds from Stock Options Exercised                                             $ 0 216,000 596,000        
Class of Warrant or Right, Exercise Price of Warrants or Rights                             $ 7.00         $ 2,500     $ 2,500            
Stock Issued During Period, Shares, Issued for Services                     10,000                                    
Stock Issued During Period, Value, Issued for Services                                             $ 2,000 1,000 4,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 50,000                                         1,500,000              
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                                       7.00     7.00            
Proceeds from issuance of Common stock                                             $ 0 0 3,502,000        
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options                                       $ 4,100,000     $ 4,100,000            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized                                             7,700,000            
Share-based Compensation                                             $ 12,128,000 14,291,000 5,546,000        
Percentage Of Placement Agent Fee                                             10.00%            
Proceeds from Issuance of Warrants                                             $ (793,000) (613,000)          
Net Proceeds From Issuance Of Warrants                                             $ 51,500,000            
Stock Issued For Exercise Of Warrants                                             10,000            
Warrant Purchase Price Per Unit                                             $ 50,000            
Stock Issued During Period Shares warrants Exercised                             2,500                            
Stock Issued During Period, Shares, New Issues                             10,000                            
Stock Issued During Period, Value of Warrants Excercised                             $ 50,000                            
Equity Method Investment, Ownership Percentage                                                         35.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                                             1,950,000            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period                                             366,666            
Warrants Issued                           139,592                              
Stock Issued During Period, Value, New Issues                                             $ 53,000,000            
Payments of Stock Issuance Costs                                             0 0 32,000        
Stock Repurchased and Retired During Period, Shares         100,000                                                
Treasury Stock Acquired, Average Cost Per Share         $ 0.176                                                
Stock Repurchased and Retired During Period, Value         $ 17,600                                                
Adjustments To Additional Paid In Capital At Market Offering Costs                                             $ (79,000)            
Market Offering [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Shares Issued, Price Per Share             $ 2.89                                            
Proceeds from issuance of Common stock             $ 400,000                                            
Issuance of Common Stock for At the Market Offering in shares             150,556                                            
Adjustments To Additional Paid In Capital At Market Offering Costs             $ 79,000                                            
Plan 2013 [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock Based compensation, shares available for issuance                                       6,021,799     6,021,799            
Plan 2007 [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                       6,000,000     6,000,000            
Longterm Incentive Program [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Class of Warrant or Right, Outstanding 500,000                                                        
Weighted Market Value Percentage of Invested Capital 44.80%                                                        
Weighted Average Cost Percentage of Capital 30.00%                                                        
Capital Units, Authorized                       100.0                                  
Share-based Compensation                                             $ 300,000            
Sharebased Compensation Arrangement By Sharebased Payment Award Percentage Of Shares Granted                       1.00%                                  
Checkpoint S2015 Incentive Plan [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate                                             1.50%            
After Amendment [Member] | Convertible Preferred Stock [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Price                                       $ 0.001     $ 0.001            
Capital Units, Authorized                                       15,000,000     15,000,000            
After Amendment [Member] | Convertible Common Stock [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Price                                       $ 0.001     $ 0.001            
Capital Units, Authorized                                       100,000,000     100,000,000            
Maximum [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                                       10,000,000     10,000,000            
Checkpoint [Member] | Private Placement [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Class of Warrant or Right, Exercise Price of Warrants or Rights                     $ 7.00                                    
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total                     $ 126,640                                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                     3,500                                    
Warrant Purchase Price Per Unit                     $ 45,000                                    
Proceeds from Issuance of Private Placement                     $ 600,000                                    
Warrants Issued                     44,324                                    
Chief Executive Officer [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                   1,900,000               3,900,000                      
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost                   $ 400,000                                      
Former Board Of Director [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Based Compensation Restricted Stock Units $ 133,000                                                        
Dr. Rosenwald [Member] | Longterm Incentive Program [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                       510,434                                  
Mr. Weiss [Member] | Longterm Incentive Program [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value                       $ 2,800,000                                  
Senior Vice President [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 50.00%                                                        
Stock Issued During Period, Value, Issued for Services                                             $ 1,900,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                                     200,000                    
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost $ 3,700,000                                                        
Director [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 25.00%                                                        
Avenue Therapeutics, Inc. [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Research And Development Expense                                             14,000 29,000          
General and Administrative Expense                                             14,000 21,000          
Allocated Share-based Compensation Expense                                             $ 28,000 $ 50,400,000,000          
Weighted Market Value Percentage of Invested Capital                                               44.80%          
Weighted Average Cost Percentage of Capital                                               30.00%          
Shares Issued, Price Per Share                                               $ 0.146          
Avenue Therapeutics, Inc. [Member] | Consultants [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock Issued During Period, Shares, Issued for Services                                               150,000          
Avenue Therapeutics, Inc. [Member] | Chief Executive Officer [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock Issued During Period, Shares, Issued for Services                                               1,000,000          
Avenue Therapeutics, Inc. [Member] | Share-based Compensation Award, Tranche One [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage                                               50.00%          
Avenue Therapeutics, Inc. [Member] | Share-based Compensation Award, Tranche Two [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage                                               12.50%          
Avenue Therapeutics, Inc. [Member] | Share-based Compensation Award, Tranche Three [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage                                               50.00%          
Mustang Bio, Inc [Member] | Private Placement [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Class of Warrant or Right, Exercise Price of Warrants or Rights                                       $ 8.50     $ 8.50            
Stock Issued During Period Shares warrants Exercised                                       2,500                  
Stock Issued During Period, Value of Warrants Excercised                                       $ 65,000                  
Stock Issued During Period, Value, New Issues                                         $ 39,100,000                
Warrant Expiration Term                                             5 years            
Warrants Issued During Period                                             1.5            
Journey Medical Corporation [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Price                               $ 0.65                          
Weighted Market Value Percentage of Invested Capital                               44.50%                          
Weighted Average Cost Percentage of Capital                               30.00%                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                               1,950,000                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Beginning Balance                                                   1,250,000      
Unamortized Debt Issuance Expense                                                   $ 800,000      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate                                             0.00%            
Journey Medical Corporation [Member] | Maximum [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term                                             6 years 11 months 12 days            
Journey Medical Corporation [Member] | Employee [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Weighted Market Value Percentage of Invested Capital                                             42.70% 44.20%          
Weighted Average Cost Percentage of Capital                                             21.10% 25.10%          
Shares Issued, Price Per Share                                       $ 0.68     $ 0.68 $ 0.53          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures                                             440,000            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate                                             0.00%            
Checkpoint Therapeutics, Inc [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate                                             80.00%            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate                                             2.10%            
Share Price                                       $ 4.39   $ 0.065 $ 4.39            
Allocated Share-based Compensation Expense                                             $ 3,900,000            
Fair Value Assumptions, Weighted Average Volatility Rate                                           30.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage                                           25.00%              
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                                           48 months              
Weighted Average Cost Percentage of Capital                                           44.80%              
Risk free rate                                             83.00%            
Equity Method Investment, Ownership Percentage                                       37.70%     37.70%            
JMC [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             $ 0.5 $ 600,000          
Helocyte Inc [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             $ 0.3            
Helocyte Inc [Member] | Consultants [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate             68.00%                               70.00%            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate             1.30%                               1.47%            
Share Price             $ 0.46                         $ 0.59     $ 0.59            
Stock Issued During Period, Shares, Issued for Services             508,333 150,000                                          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period                                             127,084            
Helocyte Inc [Member] | Chief Executive Officer [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Price                                       0.097     $ 0.097            
Stock Issued During Period, Shares, Issued for Services                 1,000,000                                        
Share-based Compensation                                             $ 55,000            
Helocyte Inc [Member] | Non-employee [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation                                             200,000            
Cellvation Inc [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             7,000            
Cellvation Inc [Member] | Consultants [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate         70.00%                                                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate         1.10%                                                
Share Price         $ 0.024                                                
Stock Issued During Period, Shares, Issued for Services         700,000                                                
Share-based Compensation         $ 2,500                                                
Cellvation Inc [Member] | Employee [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock Issued During Period, Shares, Issued for Services         1,000,000                                                
Share-based Compensation         $ 4,000                                                
National Holdings Corporation [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             $ 42,000            
Class of Warrant or Right, Exercise Price of Warrants or Rights                                       $ 3.25 $ 3.25   $ 3.25            
National Holdings Corporation [Member] | Private Placement [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Percentage Of Placement Agent Fee                                       10.00%                  
Payments of Stock Issuance Costs                                       $ 3,900,000                  
Private Placement Stock Units Shares To Be Issued                                       10,000     10,000            
Warrants Issued During Period                                             601,486            
Research and Development Expense [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             $ 4,700,000 5,800,000 1,100,000        
General and Administrative Expense [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Allocated Share-based Compensation Expense                                             $ 7,400,000 8,500,000 4,400,000        
Restricted Stock [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share Based Compensation Restricted Stock Units                                               400,000 $ 4,343,692        
Deferred Compensation Arrangement with Individual, Shares Issued                                             230,000            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value                                             $ 3.4            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                                             1,240,868            
Restricted Stock [Member] | Journey Medical Corporation [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation                                             $ 85,000            
Restricted Stock [Member] | Checkpoint Therapeutics, Inc [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate                                             100.65%            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term                                             10 years            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate                                             2.60%            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                                             60,000            
Share-based Compensation                                             $ 1,400,000 $ 300,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price                                             $ 5.43            
Restricted Stock [Member] | General and Administrative Expense [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation                                             $ 600,000            
Restricted Stock Units (RSUs) [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 40,000                                                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value                                             $ 1,800,000            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period                                             641,000            
Restricted Stock Units (RSUs) [Member] | Senior Vice President [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,000,000                                                        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares                                             150,000 300,000          
New Award [Member] | Senior Vice President [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost $ 3,300,000                                                        
Old Award [Member] | Senior Vice President [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost $ 400,000                                                        
Employee Stock Option [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Employee Stock Purchase Plan to eligible employees, Reckoning fair value percentage during offering period     85.00%                   85.00%                           85.00% 85.00%  
Common Stock issued in connection with the first ESPP offering   14,681 7,139                   13,317       6,841           177,919            
Common Stock Par Or Stated Value Per Share     $ 1.45                   $ 2.41                           $ 1.80 $ 1.80  
Share Price     $ 1.71                   $ 2.84       $ 2.12                   $ 2.12    
Proceeds from Stock Options Exercised                                               $ 200,000          
Common Stock, Capital Shares Reserved for Future Issuance                                       22,081     22,081            
Employee Stock Option [Member] | Journey Medical Corporation [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Share-based Compensation                                             $ 400,000            
Unvested Restricted Stock Units [Member]                                                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                                          
Stock-based compensation weighted-average vesting period                                             2 years            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                                             2 years