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Note 10 - Commitments and Contingencies - Schedule of Equity Securities Repurchased (Details) - Treasury Stock, Common [Member] - USD ($) |  | 1 Months Ended | 2 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 12, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Mar. 12, 2024 | Mar. 31, 2024 | Mar. 31, 2023
Treasury Stock, Shares, Acquired (in shares) |  |  |  |  | 1,434,000 | 981,000
Shares Purchased as Part of Publicly Announced Programs [Member] |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 347,137 | 474,100 | 446,366 | 1,267,603 |  |
Shares Acquired, Average Cost Per Share (in dollars per share) | $ 4.33 | $ 4.22 | $ 4.48 |  |  |
Share Repurchase Program, Authorized, Amount | $ 3,773 | $ 1,516,630 | $ 3,516,205 | $ 3,773 |  |

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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481549/505-30-45-1 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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