Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 11,834	$ 24,361
Short-term investments	93,968	134,971
Accounts receivable	10,956	4,862
Inventories	14,835	8,032
Prepaid and other current assets	2,962	4,069
Total current assets	134,555	176,295
Property and equipment, net	10,138	11,217
Operating leases right-of-use assets	3,943	4,284
Restricted cash	761	811
Other assets	767	114
Total assets	150,164	192,721
Current liabilities:
Accounts payable	2,595	1,689
Accrued expenses and other current liabilities	12,672	7,859
Lease liabilities	1,970	1,529
Total current liabilities	17,237	11,077
Long-term lease liabilities	2,856	3,642
Term loan, net	40,169	39,760
Total liabilities	60,262	54,479
Commitments and contingencies (Note 13)
Stockholders' equity:
Common stock, $0.001 par value, 900,000,000 shares authorized, 28,268,389 shares issued and outstanding as of December 31, 2022 and 27,366,746 Shares issued and outstanding as of December 31, 2021	28	27
Preferred stock, $0.001 par value, 100,000,000 shares authorized, no shares issued and outstanding	0	0
Additional paid-in capital	636,001	617,511
Accumulated other comprehensive loss	(95)	(20)
Accumulated deficit	(546,032)	(479,276)
Total stockholders' equity	89,902	138,242
Total liabilities and stockholders' equity	$ 150,164	$ 192,721