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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Income Statement [Abstract]    
Sales $ 12,142 $ 12,493
Cost of sales 4,569 4,274
Gross profit 7,573 8,219
Other costs and expenses:    
Research and development 1,121 1,158
Professional services 1,740 2,286
Salaries and related costs 5,068 5,181
Selling, general and administrative 5,255 5,465
Total other costs and expenses 13,184 14,090
Loss from operations (5,611) (5,871)
Interest income 51 2
Interest expense (234) (8)
Other loss, net (5) (21)
Total other loss, net (188) (27)
Loss before income taxes (5,799) (5,898)
Income tax (benefit) expense (2,267) 70
Net loss (3,532) (5,968)
Net loss attributable to non-controlling interest (49) (23)
Net loss attributable to stockholders $ (3,483) $ (5,945)
Loss per share:    
Basic (in dollars per share) $ (0.10) $ (0.17)
Diluted (in dollars per share) $ (0.10) $ (0.17)