Quarterly report pursuant to Section 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 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Net sales $ 14,276 $ 14,124 $ 43,897 $ 45,476
Less: sales returns 57 215 285 612
Product [Member]        
Net sales 12,809 12,023 39,405 41,234
Administrative Fees, Freight and Other [Member]        
Net sales $ 1,524 $ 2,316 $ 4,777 $ 4,854