Related Party Agreements (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Mar. 17, 2015 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| 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 Checkpoint’s 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 Checkpoint’s 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 times (5x) 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%). The Founders Agreement has a term of fifteen years, after which it automatically renews for one-year periods unless Fortress gives the Company notice of termination. The Founders Agreement will also automatically terminate upon a change of control. | |||||
| 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 | $ 125,000 | $ 125,000 | $ 375,000 | $ 375,000 | ||
| Fortress Biotech, Inc [Member] | Founders Agreement [Member] | ||||||
| Related Party Transaction [Line Items] | ||||||
| Long-term Debt, Gross | $ 2,800,000 | |||||
| Caribe Bioadvisors LLC [Member] | ||||||
| Related Party Transaction [Line Items] | ||||||
| Costs and Expenses, Related Party | 24,000 | 20,000 | 64,000 | 50,000 | ||
| Annual Advisory Service Fee | $ 60,000 | |||||
| Caribe Bioadvisors LLC [Member] | Equity Incentive Grants [Member] | ||||||
| Related Party Transaction [Line Items] | ||||||
| Costs and Expenses, Related Party | $ 9,000 | $ 5,000 | $ 19,000 | $ 5,000 | ||