Related Party Agreements (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Sep. 13, 2016 |
Jun. 26, 2017 |
Feb. 17, 2015 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| 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 Avenue at the time of issuance; (ii) pay an equity fee in shares of Avenue common stock, payable within five (5) business days of the closing of any equity or debt financing for Avenue 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 Avenue'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 Avenue'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), Fortress will be paid a one-time change in control fee equal to five (5x) times the product of (i) net sales for the twelve (12) months immediately preceding the change in control and (ii) four and one-half percent (4.5%). | ||||
| Stock Issued During Period, Value, New Issues | $ 0 | ||||
| Service Agreement Expenses | $ 0 | 400 | |||
| Common Shares | |||||
| Stock Issued During Period, Value, New Issues | $ 0 | ||||
| Asset Management Income [Member] | |||||
| Annual Consulting Fee | $ 500 | ||||
| Increase in Annual Consulting Fee | $ 1,000 | ||||
| Excess in Net Assets Value | 100,000 | ||||
| AR Founders Agreement [Member] | |||||
| Number of shares Exchanged | 2,500,000 | ||||
| Amended Founders Agreements Terms | 15 years | ||||
| Fortress Biotech, Inc [Member] | |||||
| Long-term Debt, Gross | $ 3,000 | ||||
| Preferred Class A [Member] | AR Founders Agreement [Member] | |||||
| Number of shares Exchanged | 250,000 | ||||
| Common Class A [Member] | AR Founders Agreement [Member] | |||||
| Number of shares Exchanged | 2,300,000 | ||||