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Note 2 - Summary of Significant Accounting Policies - Revisions of Previously Issued (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Net Borrowing on lines of credit |  |  |  |  |  |  |  |
Borrowings under line of credit | 15,715 | 14,868 | 35,298 | 28,791 | 58,045 | 45,150 | $ 77,200 | 61,398
Repayments under line of credit | (12,069) | (13,082) | (33,205) | (29,583) | (53,510) | (41,941) | (75,451) | (60,932)
Income taxes paid | 550 |  | 1,338 |  | 1,822 |  | $ 2,219 | 1,292
Previously Reported [Member] |  |  |  |  |  |  |  |
Net Borrowing on lines of credit | 3,646 | 1,786 | 2,093 | (792) | 4,535 | 3,209 |  | 466
Borrowings under line of credit |  |  |  |  |  |  |  |
Repayments under line of credit |  |  |  |  |  |  |  |
Income taxes paid | 44 |  | 238 |  | 275 |  |  | 184
Revision of Prior Period, Adjustment [Member] |  |  |  |  |  |  |  |
Net Borrowing on lines of credit | (3,646) | (1,786) | (2,093) | 792 | (4,535) | (3,209) |  | (466)
Borrowings under line of credit | 15,715 | 14,868 | 35,298 | 28,791 | 58,045 | 45,150 |  | 61,398
Repayments under line of credit | (12,069) | $ (13,082) | (33,205) | $ (29,583) | (53,510) | $ (41,941) |  | (60,932)
Income taxes paid | $ 506 |  | $ 1,100 |  | $ 1,547 |  |  | $ 1,108

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + 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 http://asc.fasb.org/extlink&oid=123570139&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 http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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