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Stockholders' Equity - Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 17 $ 39 $ 115 $ 387
Unearned stock-based compensation 200 300 $ 200 300
Unearned compensation expected to be recognized, period     2 years 6 months  
Cost of sales        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense 0 2 $ 2 7
Product development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense 4 2 16 10
Selling, general, and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation expense $ 13 $ 35 $ 97 $ 370