Balance Sheet Details

3 Months Ended

Mar. 31, 2023

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Details

Note 4. Balance Sheet Details

Inventory and other deferred costs consist of the following (in thousands):

	March 31, 2023		December 31, 2022
Raw materials	$	5,517	$	6,384
Other deferred costs		2,702		2,207
Total inventory and other deferred costs	$	8,219	$	8,591

Property and equipment. Depreciation and amortization expense for the three months ended March 31, 2023 and 2022 was $2.8 million and $1.8 million, respectively. Accumulated depreciation and amortization was $29.6 million and $26.9 million as of March 31, 2023 and December 31, 2022, respectively.

Restricted cash. The Company’s restricted cash is pledged as collateral for a standby letter of credit related to a property lease. The balance of restricted cash was $1.8 million as of March 31, 2023 and December 31, 2022, and is included in other long-term assets.

Accrued and other current liabilities consist of the following (in thousands):

	March 31, 2023		December 31, 2022
Accrued compensation	$	9,675	$	9,008
Operating lease liabilities		6,529		5,391
Loans—current portion (Note 6)		2,257		2,218
Accrued liabilities		1,018		1,700
Employee ESPP contributions		1,010		543
Accrued taxes		134		123
Customer deposits		30		30
Total accrued and other current liabilities	$	20,653	$	19,013