Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Summary of Revenue as a Percentage of Total Revenue and Accounts Receivable as a Percentage of Total Accounts Receivable for Each Significant Customer

Revenue as a percentage of total revenue and accounts receivable as a percentage of total accounts receivable for each significant customer follows.

	Accounts Receivable		Revenue
	As of December 31,		Years Ended December 31,
	2022	2021	2022	2021	2020
Customer A	30%	*	15%	12%	28%
Customer B	*	15%	*	*	23%
Customer C	*	*	12%	12%	*

* Total less than 10% for the respective period

Schedule of Intangible Assets Estimated Useful Life

Intangible assets are amortized on a straight-line basis based on their estimated useful lives. The estimated useful life of these intangible assets are as follow

	Estimated useful life (in years)
Trade name	5
Customer relationships	10 - 13
Developed technology	1 - 7

Schedule of Property and Equipment Estimated Useful Life

Depreciation and amortization are included in cost of revenue and general and administrative expenses and are computed using the straight-line basis over estimated useful lives of those assets as follows.

	Estimated useful life (in years)
Computer hardware and software	5
Furniture and fixtures	7
Warehouse equipment	15
Leasehold improvements	Shorter of the estimated useful life or lease term

Schedule of Aggregate Warranty Liabilities

The Company's aggregate warranty liabilities and changes were as follows:

	As of December 31,
	2022			2021
Warranty reserve beginning balance	$	6,106		$	3,336
Warranty accrual for battery deficiencies		-			6,430
Warranty (reversal) accrual for completed projects		(784	)		1,204
Warranty settlements		(3,045	)		(4,864	)
Warranty reserve ending balance	$	2,277		$	6,106