Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.2.0.727
Subsequent Events - Additional Information (Detail)
€ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 15, 2015
Jul. 16, 2015
USD ($)
Jul. 15, 2015
shares
Apr. 28, 2015
USD ($)
Apr. 02, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Jun. 30, 2015
USD ($)
shares
Jun. 30, 2014
USD ($)
Aug. 03, 2015
USD ($)
Aug. 03, 2015
EUR (€)
Subsequent Event [Line Items]                      
Payments to Acquire Intangible Assets               $ 1,250,000 $ 0    
Research And Development Expense           $ 2,411,000 $ 2,377,000 $ 4,066,000 $ 6,865,000    
Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | shares               200,000,000      
Dov Klein [Member] | Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     25.00%                
Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number | shares     50,000                
Licensing Agreements [Member]                      
Subsequent Event [Line Items]                      
Payments to Acquire Intangible Assets       $ 50,000 $ 150,000            
Subsequent Event [Member]                      
Subsequent Event [Line Items]                      
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross   $ 50,000                  
Due to Related Parties                   $ 2,700,000 € 2.5
Subsequent Event [Member] | Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights The restricted shares vest 10% immediately and an additional 10% per year over four years commencing the later of trading availability, under Fortress Insider Trading Policy, or July 15, 2015. The remaining 50% vests in accordance with the achievement of performance goals.                    
Subsequent Event [Member] | Director [Member] | Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number | shares     133,000                
Subsequent Event [Member] | Dov Klein [Member] | Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years                
Subsequent Event [Member] | Vice President [Member] | Restricted Stock [Member]                      
Subsequent Event [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | shares     1,000,000                
Share Based Compensation Arrangement By Share Based Payment Award Other Than Options Surrendered In Period | shares     200,000                
Subsequent Event [Member] | Licensing Agreements [Member]                      
Subsequent Event [Line Items]                      
Payments to Acquire Intangible Assets   1,300,000                  
Subsequent Event [Member] | Licensing Agreements [Member] | New Zealand Pharmaceuticals Ltd [Member]                      
Subsequent Event [Line Items]                      
Payments to Acquire Intangible Assets   700,000                  
Research And Development Expense   $ 600,000