Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 9,692	$ 11,834
Short-term investments	117,490	93,968
Accounts receivable	20,281	10,956
Inventories	17,421	14,835
Prepaid and other current assets	3,523	2,962
Total current assets	168,407	134,555
Property and equipment, net	10,841	10,138
Operating leases right-of-use assets	2,444	3,943
Restricted cash	711	761
Other assets	147	767
Total assets	182,550	150,164
Current liabilities:
Accounts payable	3,863	2,595
Accrued expenses and other current liabilities	15,239	12,672
Lease liabilities	1,801	1,970
Total current liabilities	20,903	17,237
Long-term lease liabilities	1,211	2,856
Term loan, net	0	40,169
Other long-term liabilities	74	0
Total liabilities	22,188	60,262
Commitments and contingencies (Note 9)
Stockholders' equity:
Common stock, $0.001 par value, 900,000,000 shares authorized, 36,139,513 shares issued and outstanding as of December 31, 2023 and 28,268,389 Shares issued and outstanding as of December 31, 2022	36	28
Preferred stock, $0.001 par value, 100,000,000 shares authorized, no shares issued and outstanding	0	0
Additional paid-in capital	754,971	636,001
Accumulated other comprehensive loss	(5)	(95)
Accumulated deficit	(594,640)	(546,032)
Total stockholders' equity	160,362	89,902
Total liabilities and stockholders' equity	$ 182,550	$ 150,164