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Note 16 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions | Feb. 13, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Common Stock, Par or Stated Value Per Share |  | $ 0.25 | $ 0.25
Subsequent Event [Member] |  |  |
Proceeds from insurance coverage claim | $ 5.4 |  |
Subsequent Event [Member] | Common Stock [Member] | Cash Dividend |  |  |
Common Stock, Par or Stated Value Per Share | $ 0.00625 |  |
Subsequent Event [Member] | Common Stock [Member] | Cash Dividend | Maximum [Member] |  |  |
Common Stock, Par or Stated Value Per Share | 0.00375 |  |
Subsequent Event [Member] | Common Stock [Member] | Cash Dividend | Minimum [Member] |  |  |
Common Stock, Par or Stated Value Per Share | $ 0.0025 |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: 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 + Details
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- Definition Cash received as payments for insurance premiums during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-25 + Details
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