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Note 3 - Divestiture of Subsidiary - Assets and Liabilities Included in Sale (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Jun. 01, 2023
Gain on sale recognized | $ 980 | $ 0 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Bel Stewart s.r.o. [Member] |  |  |
Cash and cash equivalents | 2,072 |  |
Accounts receivable | 1,030 |  |
Inventories | 1,310 |  |
Property, plant and equipment | 326 |  |
Other assets | 48 |  |
Accounts payable | 441 |  |
Accrued expenses | 126 |  |
Income taxes payable | 100 |  |
Other current liabilities | 13 |  |
Other long-term liabilities | 23 |  |
Total net assets transferred | 4,083 |  |
Consideration received | 5,063 |  | $ 5,100
Gain on sale recognized | $ 980 |  |

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