Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 43,409	$ 24,780
Short-term investments	62,344	115,438
Prepaid and other current assets	3,856	5,928
Total current assets	109,609	146,146
Property and equipment, net	121	165
Operating lease right-of-use asset	323	386
Other assets	610	443
Total assets	110,663	147,140
Current liabilities:
Accounts payable	2,075	6,112
Accrued research and development	5,840	4,349
Other accrued liabilities	4,052	5,694
Operating lease liability, current portion	162	160
Total current liabilities	12,129	16,315
Operating lease liability, net of current portion	185	252
Other long-term liabilities	64	69
Total liabilities	12,378	16,636
Commitments and contingencies
Stockholders' equity:
Common Stock, $0.001 par value; 250,000,000 shares authorized as of June 30, 2022 and December 31, 2021, respectively; 26,529,878 shares (comprised of 18,802,408 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 June 30, 2022 and December 31, 2021, respectively	27	27
Additional paid-in capital	223,600	220,530
Accumulated other comprehensive loss	(373)	(89)
Accumulated deficit	(124,969)	(89,964)
Total stockholders' equity	98,285	130,504
Total liabilities and stockholders' equity	$ 110,663	$ 147,140