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Summary of Significant Accounting Policies - Schedule of Warranty Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at the beginning of the year $ 227 $ 195
Accruals for warranties issued (41) 33
Adjustments to existing warranties 47 19
Settlements made during the year (in kind) 62 (20)
Accrued warranty reserve at the end of the period $ 295 $ 227