Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details Textual)

v3.6.0.2
Stockholders' Equity (Details Textual) - USD ($)
 1 Months Ended 2 Months Ended 12 Months Ended
Mar. 17, 2017
Mar. 17, 2016
Feb. 29, 2016
Feb. 23, 2016
Dec. 31, 2015
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Mar. 17, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common Stock, Shares Authorized         50,000,000     50,000,000 50,000,000  
Common Stock, Par or Stated Value Per Share         $ 0.0001     $ 0.0001 $ 0.0001  
Common Stock, Shares, Issued         15,989,315     17,426,876 15,989,315  
Common Stock, Shares, Outstanding         15,989,315     17,426,876 15,989,315  
Stock Issued During Period, Value, New Issues             $ 0      
Share-based Compensation             0 $ 3,867,000 $ 3,252,000  
Equity Method Investment, Annual Equity Fee, Percentage                   2.50%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               60,000    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options               $ 4,300,000    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price               $ 5.43    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term               9 years 11 months 16 days 0 years  
Issuance of Stock and Warrants for Services or Claims             0 $ 14,000 $ 1,269,000  
Private Placement [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Proceeds from Issuance of Private Placement         $ 51,500,000          
Stock Issued During Period, Value, New Issues         $ 57,800,000          
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right         2,500       2,500  
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 7.00       $ 7.00  
Class Of warrant Or Right ,Warrant Term         5 years          
Sale of Stock, Number of Shares Issued in Transaction         10,000          
Sale of Stock, Consideration Received on Transaction         $ 50,000          
2015 Incentive Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant               321,000    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period               10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized               2,000,000    
Restricted Stock [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, Nonvested, Number         2,500,000     2,533,063 2,500,000  
Restricted Stock [Member] | Market Approach Valuation Method [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted Market Value Percentage Of Invested Capital           44.80%        
Weighted Average Cost Percentage Of Capital           30.00%        
Share Price         $ 4.39 $ 0.065   $ 5.43 $ 4.39  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate               80.00% 83.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate               2.10% 1.50%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term               5 years 5 years  
Non-vested Resricted Stock [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition               1 year 9 months 18 days    
Performance Shares [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, Nonvested, Number               333,334    
Dr. Marasco [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 Period           48 months        
Percentage of award vested on first anniversary date           25.00%        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           1,500,000        
Consultant [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, Risk Free Interest Rate               2.60%    
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, Options, Grants in Period, Gross               60,000    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period               10 years    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price               $ 5.43    
General and Administrative Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation               $ 1,300,000 $ 300,000  
Research and Development Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation               58,000    
Issuance of Stock and Warrants for Services or Claims               3,900,000 3,000,000  
Research and Development Expense [Member] | Grant [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation               2,500,000 $ 3,000,000  
Opus Point Healthcare Fund GP, LLC [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Proceeds from Issuance of Private Placement     $ 600,000 $ 600,000            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right     3,500              
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 7.00 $ 7.00            
Class Of warrant Or Right ,Warrant Term       5 years            
Stock Issued During Period, Shares, New Issues     126,640              
Number Of Warrant Issued     44,324              
Sale of Stock, Number of Shares Issued in Transaction     10,000 10,000            
Sale of Stock, Consideration Received on Transaction     $ 45,000 $ 45,000            
Fortress Biotech, Inc [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock Issued During Period, Shares, New Issues   688,755 3,166              
Share-based Compensation               $ 14,000    
Equity Method Investment, Annual Equity Fee, Percentage   2.50% 2.50%              
Fortress Biotech, Inc [Member] | Subsequent Event [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock Issued During Period, Shares, New Issues 721,699                  
Common Class A [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common Stock, Shares Authorized               15,000,000    
Common Stock, Shares, Issued         7,000,000     7,000,000 7,000,000  
Common Stock, Shares, Outstanding         7,000,000     7,000,000 7,000,000  
Stock Issued During Period, Value, New Issues             $ 1,000      
Stock Issued During Period, Shares, New Issues             7,000,000