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Note 1 - Condensed Consolidated Financial Statements (Details Textual) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 25, 2024 USD ($) shares | Nov. 22, 2023 | Mar. 23, 2023 $ / shares | Nov. 22, 2022 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2024 $ / shares shares | Dec. 31, 2023 $ / shares shares
Treasury Stock, Shares, Acquired (in shares) | shares | 52,000 |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 650 |  |  |  | $ 651 |  |
Treasury Stock, Common, Shares (in shares) | shares | 342,080 |  |  |  |  | 342,080 | 290,080
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  | $ 0.6 |  |  | $ 0.6 | $ 0.6
Reverse Stock Split [Member] |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  | 5 |  |  |  |
Alterna Capital Solutions, LLC [Member] | Invoice Purchase and Security Agreement [Member] |  |  |  |  |  |  |
Line of Credit Facility, Expiration Period (Year) |  | 1 year |  | 1 year |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 15,000 |  |  |
FG Holdings LLC. [Member] |  |  |  |  |  |  |
Realized Investment Gains (Losses) | $ (91) |  |  |  |  |  |

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