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Balance Sheet Components - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Reserve for excess and obsolete inventory $ 600   $ 700
Amortization intangible assets $ 166 $ 133  
Weighted average amortization period of intangible assets 7 years 7 months 6 days   7 years 7 months 6 days
Cost of Sales      
Amortization intangible assets $ 100    
Selling, General and Administrative Expenses      
Amortization intangible assets $ 100 $ 100