Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 68,162	$ 39,019
Short-term investments	66,727	133,541
Accounts receivable, net	3,676	1,862
Inventory	3,457	1,861
Prepaid expenses and other current assets	2,901	3,746
Total current assets	144,923	180,029
Property and equipment, net	3,005	508
Operating lease right-of-use assets	1,349	1,522
Other assets	1,951	2,178
Total assets	151,228	184,237
Current liabilities:
Accounts payable	2,898	3,519
Accrued liabilities	9,685	14,922
Operating lease liabilities, current portion	413	394
Total current liabilities	12,996	18,835
Operating lease liabilities, net of current portion	1,056	1,267
Due to licensor (Note 8)	5,757	5,757
Total liabilities	19,809	25,859
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized; no shares issued and outstanding as of June 30, 2023 and December 31, 2022	0	0
Common stock, $0.0001 par value; 300,000,000 shares authorized; 24,519,860 and 24,435,007 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	2	2
Additional paid-in capital	367,853	361,689
Accumulated other comprehensive loss	(44)	(115)
Accumulated deficit	(236,392)	(203,198)
Total stockholders’ equity	131,419	158,378
Total liabilities and stockholders’ equity	$ 151,228	$ 184,237