Balance Sheet Details

3 Months Ended

Mar. 31, 2025

Balance Sheet Related Disclosures [Abstract]

Note 4. Balance Sheet Details

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


	March 31, 2025		December 31, 2024
Raw materials	$	4,212	$	3,976
Other deferred costs		711		1,963
Total inventory and other deferred costs	$	4,923	$	5,939

Property and equipment. Depreciation and amortization expense for the three months ended March 31, 2025 and 2024 was $2.6 million and $2.8 million, respectively. Accumulated depreciation and amortization was $48.6 million and $46.0 million as of March 31, 2025 and December 31, 2024, 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, 2025 and December 31, 2024, and is included in other long-term assets.

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


	March 31, 2025		December 31, 2024
Accrued compensation	$	5,205	$	8,544
Operating lease liabilities		7,472		7,696
Loans—current portion (Note 6)		2,834		1,669
Market Development Fees received from Tempus (Note 8)		2,100		1,400
Employee ESPP contributions		740		301
Other current liabilities		1,663		2,019
Total accrued and other current liabilities	$	20,014	$	21,629