Quarterly report [Sections 13 or 15(d)]

Note 2 - Revenue - Net Sales by Product and Service (Details)

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Note 2 - Revenue - Net Sales by Product and Service (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Net sales $ 9,206 $ 10,737
Less: sales returns (89) (72)
Product [Member]    
Net sales 9,020 10,532
Administrative Fees, Freight and Other [Member]    
Net sales $ 275 $ 277