Annual report pursuant to Section 13 and 15(d)

Stockholders??? Equity (Deficit) (Details Textual)

v3.8.0.1
Stockholders’ Equity (Deficit) (Details Textual) - USD ($)
 1 Months Ended 11 Months Ended 12 Months Ended
Aug. 15, 2017
Sep. 13, 2016
Feb. 17, 2018
Jun. 26, 2017
Feb. 17, 2017
Sep. 30, 2016
Sep. 15, 2016
Feb. 17, 2016
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Preferred Stock, Shares Authorized                   2,000,000 2,000,000
Common Stock, Shares Authorized                   50,000,000 50,000,000
Common Stock, Par or Stated Value Per Share                   $ 0.0001 $ 0.0001
Share-based Compensation                 $ 29,000 $ 604,000 $ 28,000
Share Price $ 1.85     $ 6.00              
Stock Issued During Period, Value, New Issues                   $ 948,000 $ 5,000
Stock Issued During Period, Shares, New Issues           250,000          
Stock Issued During Period, Shares, Issued for Services       166,666              
Stock Issued During Period, Value, Issued for Services                 22,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 20,000                 20,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 6.29                 $ 6.29  
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 1.83%                    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 5 years                    
Stock Repurchased and Retired During Period, Shares             33,333        
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price $ 6.29                    
Stock or Unit Option Plan Expense $ 37,000                    
Preferred Stock, Par or Stated Value Per Share                   $ 0.0001 $ 0.0001
2015 Incentive Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                   2,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms                   10 years  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant                   1,115,000  
Fortress Biotech, Inc [Member]                      
Stock Issued During Period, Value, Issued for Services                   $ 1,000,000  
Stock Issuance Common Stock Issuable During Period, Shares         83,532     76,250      
Percentage of Diluted outstanding Equity         2.50%     2.50%      
Research and Development Asset Acquired Other than Through Business Combination, Fair Value Acquired                 $ 40,000 1,100,000 $ 49,000
Fortress Biotech, Inc [Member] | Subsequent Event [Member]                      
Stock Issuance Common Stock Issuable During Period, Shares     273,837                
Percentage of Diluted outstanding Equity     2.50%                
Common Stock [Member]                      
Stock Issued During Period, Value, New Issues                   $ 0 $ 0
Stock Issued During Period, Shares, New Issues                   241,657 84,187
Stock Issued During Period, Shares, Issued for Services                 50,000    
Stock Issued During Period, Value, Issued for Services                 $ 0    
Stock Repurchased and Retired During Period, Shares                     33,333
Stock Issuance Common Stock Issuable During Period, Shares                 0 0 0
AR Founders Agreement [Member]                      
Amended Founders Agreements Terms   15 years                  
AR Founders Agreement [Member] | Common Stock [Member]                      
Number of shares Exchanged   2,500,000                  
Fortress Notes [Member]                      
Share Price       $ 6.00              
Stock Issued During Period, Value, New Issues       $ 158,125           $ 900,000  
Stock Issued During Period, Value, Issued for Services                   500,000  
Other Fees and Commissions, Percentage       2.50%              
IPO [Member]                      
Share Price       $ 6.00              
Stock Issued During Period, Value, New Issues       $ 6,325,000              
Proceeds from Issuance Initial Public Offering       $ 34,200,000              
Number of shares Exchanged       158,125              
IPO [Member] | Fortress Biotech, Inc [Member]                      
Stock Issued During Period, Value, New Issues       $ 800,000              
Stock Issued During Period, Shares, New Issues       125,000              
Over-Allotment Option [Member]                      
Stock Issued During Period, Shares, New Issues       825,000              
NSC Note [Member]                      
Conversion of Stock, Description       As a result, the Company issued warrants for 125,000 common shares with an exercise price of par value and a ten-year term. As a result of this transaction, the Company recorded the fair value of the Contingently Issuable Warrants of approximately $0.8 million as an increase to additional paid in capital on the Statement of Stockholders Equity (Deficit).              
West Park [Member]                      
Common Stock, Par or Stated Value Per Share       $ 4.02              
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants       2,488              
West Park [Member] | IPO [Member]                      
Common Stock, Par or Stated Value Per Share       $ 4.02              
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants       2,488              
Share Price       $ 6.00              
Restricted Stock [Member]                      
Share-based Compensation                 $ 51,000 600,000 $ 28,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options                   $ 2,800,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                   2 years 6 months  
Preferred Class A [Member]                      
Preferred Stock, Shares Outstanding                   250,000 250,000
Preferred Stock, Par or Stated Value Per Share                   $ 0.0001  
Preferred Class A [Member] | AR Founders Agreement [Member]                      
Number of shares Exchanged   250,000                  
Common Class A [Member]                      
Stock Issued During Period, Value, New Issues                   $ 0 $ 0
Stock Issued During Period, Shares, New Issues                   0 0
Stock Issued During Period, Shares, Issued for Services                 0    
Stock Issued During Period, Value, Issued for Services                 $ 0    
Stock Repurchased and Retired During Period, Shares                     0
Stock Issuance Common Stock Issuable During Period, Shares                 0 0 0
Common Class A [Member] | AR Founders Agreement [Member]                      
Number of shares Exchanged   2,300,000