Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 39,834	$ 24,780
Short-term investments	50,874	115,438
Prepaid and other current assets	3,037	5,928
Total current assets	93,745	146,146
Property and equipment, net	103	165
Operating lease right-of-use asset	291	386
Other assets	496	443
Total assets	94,635	147,140
Current liabilities:
Accounts payable	4,084	6,112
Accrued research and development	4,353	4,349
Other accrued liabilities	4,413	5,694
Operating lease liability, current portion	163	160
Total current liabilities	13,013	16,315
Operating lease liability, net of current portion	149	252
Other long-term liabilities	64	69
Total liabilities	13,226	16,636
Commitments and contingencies
Stockholders' equity:
Common stock, $0.001 par value; 250,000,000 shares authorized as of September 30, 2022 and December 31, 2021, respectively; 26,564,826 shares (comprised of 18,837,356 shares of common stock and 7,727,470 shares of non-voting common stock) and 26,475,812 shares (comprised of 18,748,342 shares of common stock and 7,727,470 shares of non-voting common stock) issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	27	27
Additional paid-in capital	224,694	220,530
Accumulated other comprehensive loss	(302)	(89)
Accumulated deficit	(143,010)	(89,964)
Total stockholders' equity	81,409	130,504
Total liabilities and stockholders' equity	$ 94,635	$ 147,140