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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Statement [Abstract]    
Revenue $ 25,205 $ 28,967
Cost of goods sold 15,748 17,051
Gross profit 9,457 11,916
Operating expenses:    
Sales and marketing 5,517 6,736
Research and product development 4,390 5,794
General and administrative 6,772 6,881
Total operating expenses 16,679 19,411
Operating loss (7,222) (7,495)
Interest expense (420) (514)
Other income, net 35,102 32
Loss before income taxes 27,460 (7,977)
Provision for (benefit from) income taxes 6,904 (283)
Net income (loss) $ 20,556 $ (7,694)
Basic income (loss) per common share (in dollars per share) $ 0.86 $ (0.39)
Diluted income (loss) per common share (in dollars per share) $ 0.83 $ (0.39)
Basic weighted average shares outstanding (in shares) 23,937,962 19,859,817
Diluted weighted average shares outstanding (in shares) 25,189,147 19,859,817
Comprehensive income (loss):    
Net income (loss) $ 20,556 $ (7,694)
Other comprehensive income (loss):    
Unrealized loss on available-for-sale securities, net of tax (2) (28)
Change in foreign currency translation adjustment (45) (27)
Comprehensive income (loss) $ 20,509 $ (7,749)