Note 2 - Basis of Presentation, Principles of Consolidation and Significant Accounting Policies - Assets and Liabilities at Fair Value Measured on a Recurring Basis (Details) - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Fair value of warrant liability | $ 9,049 | $ 5,818 |
| Fair Value, Inputs, Level 1 [Member] | ||
| Fair value of warrant liability | 0 | 0 |
| Fair Value, Inputs, Level 2 [Member] | ||
| Fair value of warrant liability | 0 | 0 |
| Fair Value, Inputs, Level 3 [Member] | ||
| Fair value of warrant liability | $ 9,049 | $ 5,818 |
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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