Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Summary of Average Estimated Useful Lives of Assets

Provisions for depreciation are calculated using the straight-line method over the following average estimated useful lives of the assets:

	Years
Laboratory equipment	5
Software and computer equipment	3
Machinery and equipment	2-20
Furniture and fixtures	7
Vehicles	5
Leasehold improvements	2-10	*

*Leasehold improvements are depreciated over the shorter of the estimated life of the asset or the remaining life of the lease.

Amounts Recognized in Consolidated Statements of Operations and Comprehensive Loss Net

Amounts recognized in the consolidated statements of operations and comprehensive loss were as follows (in thousands):

	Year Ended December 31,
	2022		2021
Research and development	$	75	$	98
Selling, general and administrative		1,031		1,443
Total stock-based compensation	$	1,106	$	1,541

Schedule of Customers Representing Greater than 10% of Account Receivable and Total Revenue

Significant customers are those that represent greater than 10% of the Company’s total revenues or gross accounts receivable balance at each respective balance sheet date.

Customers representing greater than 10% of accounts receivable were as follows (in percentages):

	As of December 31,
	2022		2021
Customer B		—		11
Customer D		—		15
Customer E		—		11
Customer A		57		—

Customers representing greater than 10% of total revenues were as follows (in percentages):

	For Year Ended December 31,
	2022		2021
Customer D		—		11
Customer B		—		10
Customer F		13		—