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Note 12 - Long-term Debt (Details Textual) | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 USD ($) | Dec. 06, 2021 USD ($) | Aug. 12, 2019 USD ($)
Long-Term Debt, Total | $ 29,247,217 |  |  |  |  |
Long-Term Debt, Current Maturities, Total | 1,514,042 |  |  | $ 1,490,427 |  |
First National Bank of Omaha [Member] |  |  |  |  |  |
Credit Agreement, Maximum Dividend Amount | 8,125,000 |  |  |  |  |
Long-term Line of Credit, Total | $ 0 |  |  |  |  |
Minimum Consolidated Leverage Ratio Requirement |  |  |  | 3.50 |  |
Consolidated Fixed Charge Ratio Requirement |  | 1.15 |  |  |  |
First National Bank of Omaha [Member] | Forecast [Member] |  |  |  |  |  |
Minimum Consolidated Leverage Ratio Requirement |  | 3.00 | 3.25 |  |  |
First National Bank of Omaha [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 5,000,000
First National Bank of Omaha [Member] | Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.65% |  |  |  |  |
First National Bank of Omaha [Member] | Revolving Credit Facility [Member] | Prime Rate [Member] | Maximum [Member] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.15% |  |  |  |  |
First National Bank of Omaha [Member] | Term Loan [Member] |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 23,560,000
First National Bank of Omaha [Member] | Term Loan 1 [Member] |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 30,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 4.00% |
Long-Term Debt, Gross | $ 30,000,000 |  |  |  |  |
Debt Instrument, Term (Year) | 15 years |  |  |  |  |
Long-Term Debt, Total | $ 29,247,217 |  |  |  |  |
Long-Term Debt, Current Maturities, Total | $ 1,514,042 |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: 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(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: 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(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: 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(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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