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Note 5 - Income Taxes - Tax Reserves (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Taxes | $ 46 | $ 42 | $ 13
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 17 | 16 |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 14 | $ 13 |
Total Tax Liability | 77 |  |
State and Local Jurisdiction [Member] |  |  |
Taxes | 46 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 17 |  |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 14 |  |
Total Tax Liability | 77 |  |
Domestic Tax Authority [Member] |  |  |
Taxes | 0 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 0 |  |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 0 |  |
Total Tax Liability | 0 |  |
Foreign Tax Authority [Member] |  |  |
Taxes | 0 |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 0 |  |
Unrecognized Tax Benefits, Income Tax Penalties Accrued | 0 |  |
Total Tax Liability | $ 0 |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(1)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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