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Note 13 - Segment Information - Net Sales by Product and Service (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Net sales | $ 39,776 | $ 42,963
Less: sales returns | (321) | (310)
Product [Member] |  |
Net sales | 39,017 | 41,729
Administrative Fees, Freight and Other [Member] |  |
Net sales | $ 1,080 | $ 1,544

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