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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Statement [Abstract]    
Sales $ 48,517 $ 27,711
Cost of sales 14,916 10,207
Gross profit 33,601 17,504
Other costs and expenses:    
Research and development 4,321 3,920
Professional services 7,589 7,350
Salaries and related costs 17,522 14,630
Selling, general and administrative 18,617 11,687
Total other costs and expenses 48,049 37,587
Loss from operations (14,448) (20,083)
Interest income 11 241
Interest expense (10) (46)
Other (losses) income, net (373) 479
Total other (loss) income, net (372) 674
Loss from operations before income taxes (14,820) (19,409)
Income tax expense (benefit) 380 (7,503)
Net loss (15,200) (11,906)
Net loss attributable to non-controlling interest (28) (10)
Net loss attributable to stockholders $ (15,172) $ (11,896)
Loss per share - basic (in dollars per share) $ (0.44) $ (0.35)
Loss per share - diluted (in dollars per share) $ (0.44) $ (0.35)
Weighted average number of shares outstanding - basic (in shares) 34,332 34,212
Weighted average number of shares outstanding - dilutive (in shares) 34,332 34,212