Annual report pursuant to Section 13 and 15(d)

Related Party Agreements (Details Textual)

Related Party Agreements (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Dec. 31, 2016
Mar. 17, 2015
Dec. 31, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]        
Agreement Description Terms   (i) issue annually to Fortress, on the anniversary date of the Founders Agreement, shares of common stock equal to two and one-half percent (2.5%) of the fully-diluted outstanding equity of Checkpoint at the time of issuance; (ii) pay an equity fee in shares of common stock, payable within five (5) business days of the closing of any equity or debt financing for Checkpoint or any of its respective subsidiaries that occurs after the effective date of the Founders Agreement and ending on the date when Fortress no longer has majority voting control in Checkpoints voting equity, equal to two and one-half percent (2.5%) of the gross amount of any such equity or debt financing; and (iii) pay a cash fee equal to four and one half percent (4.5%) of Checkpoints annual net sales, payable on an annual basis, within ninety (90) days of the end of each calendar year. In the event of a change in control (as it is defined in the Founders Agreement), Checkpoint will pay a one-time change in control fee equal to five (5x) times the product of (i) monthly net sales for the twelve (12) months immediately preceding the change in control and (ii) four and one-half percent (4.5%).    
Management Services Agreement [Member]        
Related Party Transaction [Line Items]        
Annual Consulting Fee   $ 500,000    
Increase In Annual Consulting Fee   1,000,000    
Excess In Net Assets Value   100,000,000    
Costs and Expenses, Related Party     $ 500,000 $ 396,000
Fortress Biotech, Inc [Member] | Founders Agreement [Member]        
Related Party Transaction [Line Items]        
Long-term Debt, Gross   $ 2,800,000    
Caribe Boiadvisors LLC [Member]        
Related Party Transaction [Line Items]        
Advisory Service Fee $ 60,000