Related Party Agreements (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 15, 2017 |
Sep. 13, 2016 |
Jun. 12, 2015 |
Jun. 26, 2017 |
Feb. 17, 2015 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
May 17, 2017 |
Sep. 30, 2016 |
Mar. 15, 2015 |
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| 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 Avenues 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 Avenues 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%). | |||||||||||
| Interest Expense, Debt | $ 300,000 | |||||||||||
| Stock Issued During Period, Value, New Issues | 948,000 | |||||||||||
| Stockholders' Equity, Period Increase (Decrease) | 632,000 | |||||||||||
| IPO [Member] | ||||||||||||
| Stock Issued During Period, Value, New Issues | $ 6,325,000 | |||||||||||
| Shares Issued, Price Per Share | $ 6.00 | |||||||||||
| Deferred Offering Costs | $ 2,300,000 | |||||||||||
| Common Stock [Member] | ||||||||||||
| Stock Issued During Period, Value, New Issues | 0 | |||||||||||
| Stockholders' Equity, Period Increase (Decrease) | 0 | |||||||||||
| Fortress Note [Member] | ||||||||||||
| Annual Consulting Fee | 300,000 | |||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 8.00% | |||||||||||
| Long-term Debt | $ 3,500,000 | 3,500,000 | ||||||||||
| Interest Expense, Debt | $ 16,000 | $ 43,000 | 74,000 | $ 72,000 | ||||||||
| Fortress Note [Member] | Maximum [Member] | ||||||||||||
| Annual Consulting Fee | $ 400,000 | |||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 8.00% | 8.00% | 8.00% | |||||||||
| Fortress Note [Member] | Minimum [Member] | ||||||||||||
| Annual Consulting Fee | $ 100,000 | |||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 2.00% | 2.00% | 2.00% | |||||||||
| Fortress Note [Member] | IPO [Member] | ||||||||||||
| Stock Issued During Period, Value, New Issues | $ 158,125 | |||||||||||
| Stockholders' Equity, Period Increase (Decrease) | $ 500,000 | |||||||||||
| Percentage Of Conversion Shares | 2.50% | |||||||||||
| National Holdings, Inc. [Member] | ||||||||||||
| Long-term Debt | $ 3,000,000 | |||||||||||
| Business Acquisition, Percentage of Voting Interests Acquired | 56.60% | |||||||||||
| Placement Fee, Percentage | 10.00% | |||||||||||
| Chord Advisors, LLC [Member] | ||||||||||||
| Annual Advisory Service Fee | $ 7,500 | $ 23,000 | 15,000 | $ 38,000 | 30,000 | |||||||
| Chord Advisors, LLC [Member] | Prior to Public Company [Member] | ||||||||||||
| Annual Advisory Service Fee | $ 5,000 | |||||||||||
| Asset Management Income [Member] | ||||||||||||
| Annual Consulting Fee | $ 500,000 | $ 100,000 | $ 100,000 | $ 300,000 | $ 300,000 | |||||||
| Increase In Annual Consulting Fee | 1,000,000 | |||||||||||
| Excess In Net Assets Value | 100,000,000 | |||||||||||
| Asset Management Income [Member] | IPO [Member] | ||||||||||||
| Stock Issued During Period, Value, New Issues | $ 166,666 | |||||||||||
| Due to Related Parties, Current | $ 1,000,000 | |||||||||||
| Shares Issued, Price Per Share | $ 6.00 | |||||||||||
| 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 Biotech, Inc [Member] | ||||||||||||
| Long-term Debt, Gross | $ 3,000,000 | |||||||||||
| Preferred Class A [Member] | AR Founders Agreement [Member] | ||||||||||||
| Number of shares Exchanged | 83,333 | |||||||||||
| Common Class A [Member] | AR Founders Agreement [Member] | ||||||||||||
| Number of shares Exchanged | 2,300,000 | |||||||||||