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Statements of Operations - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Statement [Abstract]    
Sales $ 64,273 $ 48,502
Cost of goods sold 39,666 25,917
Gross profit 24,607 22,585
Operating expenses:    
Research and development 10,920 9,157
Sales and marketing 10,209 6,141
General and administrative 13,562 10,471
Change in fair value of contingent consideration 2,040 0
Total operating expenses 36,731 25,769
Loss from operations (12,124) (3,184)
Other expense (Income):    
Interest income, net (26) (197)
Other expense 38 19
Total other expense (income) 12 (178)
Loss before income taxes (12,136) (3,006)
Provision (benefit) for income taxes (2,049) 273
Net loss $ (10,087) $ (3,279)
Net income (loss) per share:    
Basic $ (1.01) $ (0.34)
Diluted $ (1.01) $ (0.34)
Weighted average shares used in calculating income (loss) per share    
Basic 10,019 9,714
Diluted 10,019 9,714