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Consolidated Statements of Operations (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Amortization of acquired intangible assets $ 90  
Cost of revenue    
Amortization of acquired intangible assets 72 $ 899
Stock-based compensation 41 43
Amortization of acquired intangible assets 72  
Research and development    
Stock-based compensation 2,351 2,363
Selling, general and administrative    
Stock-based compensation 2,806 3,678
Amortization of acquired intangible assets $ 18 $ 219