Investments and Fair Value of Financial Instruments (Details Narrative) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2020 |
Dec. 31, 2019 |
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| Measurement Input, Royalty Payment Rate [Member] | ||
| Discount rate | 3.00% | 3.00% |
| Discount Rate [Member] | ||
| Discount rate | 21.00% | 21.00% |
| Discount Rate [Member] | Minimum [Member] | ||
| Increase (Decrease) in liability | $ 158 | |
| Discount Rate [Member] | Maximum [Member] | ||
| Increase (Decrease) in liability | $ 178 |
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