Related Party Agreements (Details Textual) - USD ($) |
1 Months Ended | 3 Months Ended | 7 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Apr. 08, 2016 |
Mar. 13, 2016 |
Sep. 30, 2016 |
Jul. 31, 2016 |
May 17, 2016 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Founders Agreement Term | 15 years | |||||||||
| Additional Consideration Under Founders Agreement Description | (i) pay an equity fee in shares of common stock, payable within five business days of the closing of any equity or debt financing for Mustang or any of its respective subsidiaries that occurs after the effective date of the Mustang Founders Agreement and ending on the date when Fortress no longer has majority voting control in the Company’s voting equity, equal to 2.5% of the gross amount of any such equity or debt financing; and (ii) pay a cash fee equal to 4.5% of the Company’s annual net sales, payable on an annual basis, within ninety days of the end of each calendar year. In the event of a Change in Control, the Company will pay a one-time change in control fee equal to five times the product of (A) net sales for the twelve months immediately preceding the change in control and (B) 4.5%. | |||||||||
| Convertible Common Stock [Member] | ||||||||||
| Conversion of Stock, Shares Issued | 7,000,000 | |||||||||
| Fortress Biotech, Inc [Member] | ||||||||||
| Proceeds from Related Party Debt | $ 2,000,000 | |||||||||
| Noncontrolling Interest, Ownership Percentage by Parent | 2.50% | |||||||||
| Annual Consulting Fees | $ 0.5 | |||||||||
| Increase In Annual Consulting Fees | 1,000,000 | |||||||||
| Excess In Net Assets Value | $ 100,000,000 | |||||||||
| Annual Fees Expenses On Founders Agreement | $ 100,000 | $ 100,000 | $ 200,000 | $ 400,000 | ||||||
| Chord Advisors, LLC [Member] | ||||||||||
| Back Office Accounting Functions Expenses | $ 5,000 | |||||||||
| Accounting Analysis And Financial Reporting Fees | $ 7,500 | |||||||||
| Professional Fees | $ 17,500 | $ 0 | $ 30,300 | $ 0 | ||||||
| National Holdings, Inc. [Member] | ||||||||||
| Business Acquisition, Percentage of Voting Interests Acquired | 56.10% | 56.10% | 56.10% | |||||||
| Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 3,600,000 | $ 3,600,000 | $ 3,600,000 | |||||||
| Notes Issued, Placement Fees Percentage | 10.00% | |||||||||
| Percentage Of Placement Agent Fees Payable | 10.00% | |||||||||
| Percentage Of Warrants Issuable On Offering Price | 25.00% | |||||||||
| Payments for Other Fees | $ 1,300,000 | |||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 191,483 | 191,483 | 191,483 | |||||||
| Common Class B [Member] | ||||||||||
| Conversion of Stock, Shares Converted | 7,250,000 | |||||||||
| Stock Issued During Period, Shares, Issued for Services | 250,000 | |||||||||
| Common Class B [Member] | Fortress Biotech, Inc [Member] | ||||||||||
| Stock Issued During Period, Shares, Issued for Services | 250,000 | |||||||||
| Series A Preferred Stock [Member] | ||||||||||
| Conversion of Stock, Shares Issued | 250,000 | |||||||||
| Preferred Stock, Voting Rights | Each share of Class A Preferred Stock will be entitled to vote the number of votes that is equal to one and one-tenth (1.1) times a fraction, the numerator of which is the sum of (A) the shares of outstanding Mustang common stock and (B) the whole shares of Mustang common stock into which the shares of outstanding Class A Common Stock and Class A Preferred Stock are convertible and the denominator of which is the number of shares of outstanding Class A Preferred Stock. | |||||||||
| Stock Issued During Period, Shares, Issued for Services | 0 | |||||||||