Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.19.1
Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Mar. 29, 2019
Jun. 30, 2018
Mar. 31, 2019
Mar. 31, 2018
Jan. 01, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common Stock, Shares, Issued     27,561,433     26,610,183
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   5,000,000        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized   3,000,000        
Percentage of warrant coverage 5.00%          
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 3.47          
Line of Credit Facility, Commitment Fee Amount $ 200,000          
Legal Fees 30,000          
Line of Credit Facility, Collateral Fees, Amount $ 1,200,000          
Amortization of Debt Issuance Costs and Discounts     $ 1,400      
General and Administrative Expense     $ 2,344,000 $ 2,060,000    
Incentive Plan 2016 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
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     2,049,689      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized     2,000,000      
Employee Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated Share-based Compensation Expense     $ 1,000,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     1 year 9 months 18 days      
Employee Stock Option [Member] | Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated Share-based Compensation Expense     $ 1,700,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     2 years 4 months 24 days      
Employee Stock Option [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated Share-based Compensation Expense     $ 3,000,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     2 years 1 month 6 days      
Common Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock Issued During Period, Shares, Issued for Services     709,314 834,756    
Fortress Biotech, Inc [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common Stock, Shares, Issued         709,314  
Stock Issued During Period, Shares, Issued for Services 108,069          
Research and Development Expense     $ 2,100,000      
Preferred Stock, Dividend Rate, Percentage     2.00%      
Fortress Biotech, Inc [Member] | Common Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares Of Common Stock, Percentage 2.50%