Annual report pursuant to Section 13 and 15(d)

Executive Officer Agreements (Details)

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Executive Officer Agreements (Details) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Chairman and Chief Executive Officer [Member]
Dec. 31, 2012
Ex Executive Chairman and Director [Member]
Dec. 31, 2012
Ex Executive Chairman and Director [Member]
Dec. 31, 2012
President [Member]
Dec. 28, 2012
President [Member]
Executive Officer Agreements (Textual) [Abstract]            
Option to purchase common stock grant in period 730,000 1,686,590 25,000      
Option to purchase common stock grant in period exercise price $ 6.52 $ 5.57 $ 4.75      
Description of vesting of stock option granted   One-third of the shares underlying the option will veston December 28, 2013 and each annual anniversary thereafter, subject to Dr. Weisman’s continued employment with the Company        
Consulting agreement duration     1 year      
Monthly consulting fees payable to executive     $ 25,000      
Period of Consulting fees payable under Consulting Agreement     12 months      
Period of COBRA premium payable under Consulting Agreement     12 months   12 months  
Severance cost payable to executive under separation and release agreement     30,000      
Vesting date of Stock option granted     Dec. 31, 2013      
Incremental cost and charge to operations       470,000    
Change in fair value of option granted due to modification of vesting date       63,000    
Liability and related charge to operations related to cash severance, consulting agreement cash compensation and COBRA premium       354,000    
Time period to exercised stock option from termination of employment         2 years  
Period of salary payable in case of termination of employment contract         12 months  
Performance bonus           200,000
Retention bonus           100,000
Remaining unrecognized expense 4,400,000         135,000
Liability for his cash severance and COBRA premiums           435,000
Recognized liability and charge to operations for performance bonus         $ 200,000