Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.7.0.1
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Mar. 31, 2015
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common Stock, Shares Authorized   50,000,000   50,000,000
Common Stock, Par or Stated Value Per Share   $ 0.0001   $ 0.0001
Common Stock, Shares, Issued   18,218,575   17,426,876
Share-based Compensation   $ 979,000 $ 1,088,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   0    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   $ 4,200,000    
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   251,000    
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   2,532,750   2,533,063
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 $ 0.065 $ 5.43    
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%    
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 8 months 12 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      
General and Administrative Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation   $ 400,000 300,000  
Research and Development Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation   50,000 0  
Research and Development Expense [Member] | Grant [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation   $ 400,000 $ 800,000  
Fortress Biotech, Inc [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Issued During Period, Shares, New Issues   721,699    
Equity Method Investment, Annual Equity Fee, Percentage   2.50%    
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