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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Net sales $ 16,152 $ 16,404 $ 29,621 $ 31,352
Less: sales returns 112 250 228 397
Product [Member]        
Net sales 14,565 15,200 26,596 29,211
Administrative Fees, Freight and Other [Member]        
Net sales $ 1,699 $ 1,454 $ 3,253 $ 2,538