Note 9 - Income Taxes (Details Textual) |
12 Months Ended |
|---|---|
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Dec. 31, 2022
USD ($)
| |
| Income (Loss) from Continuing Operations before Income Taxes, Foreign | $ 1,100,000 |
| Operating Loss Carryforwards without Expiration Date | 94,100,000 |
| Domestic Tax Authority [Member] | |
| Operating Loss Carryforwards | 118,300,000 |
| State and Local Jurisdiction [Member] | |
| Operating Loss Carryforwards | 104,900,000 |
| Foreign Tax Authority [Member] | |
| Operating Loss Carryforwards | $ 985,000 |
| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that do not expire. No definition available.
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| X | ||||||||||
- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
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