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Note 12 - Other Equity Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Jan. 25, 2024 | Nov. 06, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Treasury Stock, Shares, Acquired (in shares) | 52,000 |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 650 |  | $ 651 |
Treasury Stock, Common, Shares (in shares) | 342,080 |  | 342,080 | 290,080
Stock Issued During Period, Value, New Issues |  |  |  | $ 1,063
East West Warrants [Member] |  |  |  |
Warrants and Rights Outstanding, Term (Year) |  | 5 years |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 135,300 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  | $ 15 |  |
Proceeds from Issuance of Warrants, Gross |  | $ 1,000 |  |
Proceeds from Issuance of Warrants, Reduction From Extinguishment of Accounts Payable |  | 950 |  |
Proceeds from Issuance of Warrants, Reduction for Obsolete Inventory |  | $ 50 |  |
Stock Purchase Agreement With East West Manufacturing, LLC [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 77,520 |  |
Stock Issued During Period, Value, New Issues |  | $ 1,000 |  |
Shares Issued, Price Per Share (in dollars per share) |  | $ 12.9 |  |
FG Holdings LLC. [Member] |  |  |  |
Realized Investment Gains (Losses) | $ (91) |  |  |

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