Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation and Restricted Stock Compensation (Details)

v3.4.0.3
Stock Based Compensation and Restricted Stock Compensation (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Directors or Officers [Member]    
Share-based Arrangements Awards Granted [Abstract]    
Stock options granted (in shares) 0 0
Stock Options [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense $ 1,592,000 $ 224,000
Share-based Arrangements Awards Granted [Abstract]    
Stock options granted (in shares) 1,315,000 120,000
Restricted Stock [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense $ 1,892,000 $ 0
Research and Development [Member] | Stock Options [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense 341,000 18,000
Research and Development [Member] | Restricted Stock [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense 62,000 0
General and Administrative [Member] | Stock Options [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense 1,251,000 206,000
General and Administrative [Member] | Restricted Stock [Member]    
Share-based and Restricted Stock Compensation Expense [Abstract]    
Stock-based compensation expense included in operating expense $ 1,830,000 $ 0