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Certain Balance Sheet Accounts (Tables)
12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Property and Equipment Depreciation and amortization are calculated using the straight-line method over the estimated economic useful lives of the assets or, for leasehold improvements, over the shorter of the estimated economic useful life or related lease terms as follows:
Furniture and fixtures
3-7 years
Leasehold improvements
2-5 years
Software
2-3 years
Tooling and manufacturing equipment3 years
Computer equipment2 years
Property and equipment consisted of the following as of:

December 31, 2021December 31, 2020
Tooling and manufacturing equipment$2,333 $1,731 
Furniture and fixtures579 569 
Computer equipment625 214 
Software213 213 
Leasehold improvements26 
Total property and equipment3,776 2,736 
Less accumulated depreciation and amortization(1,906)(1,018)
Property and equipment, net$1,870 $1,718 
Schedule of Accrued Warranty
Changes in accrued warranty were as follows:

For the Year Ended December 31,
20212020
Accrued warranty, beginning of period$924 $378 
Provision for warranties issued during the period584 1,840 
Settlements of warranty claims during the period(847)(1,294)
Accrued warranty, end of period$661 $924