Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details Textual)

v3.7.0.1
Intangible Assets (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
May 02, 2016
Jul. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
May 31, 2016
Indefinite-lived Intangible Assets [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         $ 1,000,000
Stock Issued During Period, Shares, New Issues 234,297        
Shares Issued, Price Per Share     $ 3.00    
Houston Pharmaceuticals, Inc [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities     $ 3,874,000    
Stock Issued During Period, Shares, New Issues   629,000      
Accrued license agreement payment   $ 100,000      
Share Price   $ 6.00      
Moleculin LLC [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Notes Receivable, Related Parties $ 57,822        
Royalty On Net Revenues 2.50%        
Share Price $ 6.00        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Notes Payable     469,939    
Moleculin LLC [Member] | Acquisition Date One [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Amortization of Debt Issuance Costs and Discounts     145,078 $ 422,874  
Moleculin LLC [Member] | License Agreement [Member] | Houston Pharmaceuticals, Inc [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Stock Issued During Period, Shares, New Issues 629,000        
Payments to Acquire Intangible Assets $ 75,000,000,000        
Accrued license agreement payment $ 100,000        
Shares Issued, Price Per Share $ 6        
Moleculin LLC [Member] | Out-Lincense Agreement [Member] | Houston Pharmaceuticals, Inc [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Licensing Arrangements Consideration Payable $ 750,000   750,000    
Licensing Arrangements Reserve     1,000,000    
Payments to Acquire Intangible Assets     $ 1,000,000    
Common Stock [Member] | Moleculin LLC [Member]          
Indefinite-lived Intangible Assets [Line Items]          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 999,931        
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned $ 5,999,586