Significant Accounting Policies (Details Textual) - USD ($) |
1 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Jul. 31, 2017 |
Jun. 26, 2017 |
Sep. 30, 2016 |
Oct. 31, 2015 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Stock Issued During Period, Shares, New Issues | 250,000 | |||||||
| Preferred Stock, Dividend Rate, Percentage | 2.50% | |||||||
| Debt Instrument, Decrease, Forgiveness | $ 3,000,000 | |||||||
| Payments to Acquire Investments | $ 5,000,000 | $ 5,000,000 | $ 0 | |||||
| Short-term Investments | 0 | $ 10,000,000 | ||||||
| Research and Development in Process | 0 | 1,103,000 | ||||||
| Stockholders' Equity, Reverse Stock Split | presented to reflect the 3.0-to-1.0 reverse stock split. | |||||||
| Fortress Biotech, Inc [Member] | ||||||||
| Research and Development in Process | $ 0 | $ 1,100,000 | $ 49,000 | |||||
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- Definition Decrease for amounts of indebtedness forgiven by the holder of the debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The percentage rate used to calculate dividend payments on preferred stock. No definition available.
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- Definition The amount of purchased research and development assets that are acquired in a business combination have no alternative future use and are therefore written off in the period of acquisition. No definition available.
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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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