Condensed Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 42,879,000	$ 49,229,000
Prepaid expenses and other current assets	3,424,000	7,409,000
Total current assets	46,303,000	56,638,000
Property and equipment, net	753,000	855,000
Operating right-of-use asset, net	190,000
Restricted cash	100,000	100,000
Deferred offering costs	382,000	332,000
Total assets	47,728,000	57,925,000
Current liabilities:
Accounts payable	3,890,000	3,077,000
Accrued expenses and other current liabilities	5,817,000	6,651,000
Total current liabilities	9,707,000	9,728,000
Other long-term liabilities	147,000	12,000
Total liabilities	9,854,000	9,740,000
Commitments and contingencies (Note 6)
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued or outstanding at March 31, 2022 and December 31, 2021
Common stock, $0.0001 par value; 200,000,000 shares authorized; 12,127,385 and 12,110,373 shares issued and outstanding at March 31, 2022 and December 31, 2021,	1,000	1,000
Additional paid-in capital	128,631,000	127,289,000
Accumulated deficit	(90,758,000)	(79,105,000)
Total stockholders' equity	37,874,000	48,185,000
Total liabilities and stockholders' equity	$ 47,728,000	$ 57,925,000