Note 7 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Deferred Tax Assets, Valuation Allowance, Total | $ 340 | $ 289 |
| Domestic Tax Authority [Member] | ||
| Deferred Tax Assets, Valuation Allowance, Total | 0 | |
| Operating Loss Carryforwards, Total | 3,600 | |
| State and Local Jurisdiction [Member] | ||
| Operating Loss Carryforwards, Total | 3,500 | |
| Foreign Tax Authority [Member] | ||
| Operating Loss Carryforwards, Total | $ 2,800 |
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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