Summary of Significant Accounting Policies (Details 2) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Assets | ||
| Investments | $ 5,078 | $ 3,043 |
| Liabilities | ||
| Contingent royalty obligation | 1,926 | 1,953 |
| Level 1 [Member] | ||
| Assets | ||
| Investments | 5,078 | 3,043 |
| Liabilities | ||
| Contingent royalty obligation | ||
| Level 2 [Member] | ||
| Assets | ||
| Investments | ||
| Liabilities | ||
| Contingent royalty obligation | ||
| Level 3 [Member] | ||
| Assets | ||
| Investments | ||
| Liabilities | ||
| Contingent royalty obligation | $ 1,926 | $ 1,953 |
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- Definition Fair value portion of arrangements with third parties, of contingent royalty obligation. No definition available.
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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