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Note 1 - Summary of Significant Accounting Policies - Error Corrections and Prior Period Adjustments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Net Proceeds from Line of Credit |  | $ 0
Proceeds from Line of Credit | $ 119,349 | 109,544
Payments to Line of Credit | (121,468) | (103,856)
Principal Payments on Long-Term Debt | 0 | (1,128)
Principal Payments on Financing Leases | (599) | (664)
Stock Option Excercises | 51 | 35
Net Cash Provided By Financing Activities | $ (2,667) | 3,931
Previously Reported [Member] |  |
Net Proceeds from Line of Credit |  | 5,688
Proceeds from Line of Credit |  | 0
Payments to Line of Credit |  | 0
Principal Payments on Long-Term Debt |  | (1,128)
Principal Payments on Financing Leases |  | (664)
Stock Option Excercises |  | 35
Net Cash Provided By Financing Activities |  | 3,931
Revision of Prior Period, Adjustment [Member] |  |
Net Proceeds from Line of Credit |  | (5,688)
Proceeds from Line of Credit |  | 109,544
Payments to Line of Credit |  | (103,856)
Net Cash Provided By Financing Activities |  | $ 0

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128089324&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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