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Note 15 - Subsequent Events (Details Textual) - Subsequent Event [Member] $ / shares in Units, $ in Thousands | Feb. 22, 2022 $ / shares | Jan. 25, 2022 USD ($) | Jan. 19, 2022 USD ($) | Jan. 10, 2022 USD ($) | Mar. 01, 2022 USD ($) | Feb. 28, 2022 USD ($)
--- | --- | --- | --- | --- | --- | ---
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ / shares | $ 0.06 |  |  |  |  |
Collateral Deposit for Workers’ Compensation |  |  |  |  | $ 10,700 | $ 14,300
Temporary Alternatives [Member] |  |  |  |  |  |
Significant Changes, Franchises Purchased During Period |  |  |  | 3 |  |
Payments to Acquire Productive Assets, Total |  |  |  | $ 5,250 |  |
Dubin [Member] |  |  |  |  |  |
Payments to Acquire Productive Assets, Total |  |  | $ 2,400 |  |  |
Northbound [Member] |  |  |  |  |  |
Payments to Acquire Productive Assets, Total |  | $ 11,000 |  |  |  |

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9212-128498 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9215-128498 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123385561&loc=d3e9135-128495 + Details
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