Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash	$ 56,243	$ 39,766
Prepaid expenses and other current assets	4,947	3,128
Total current assets	61,190	42,894
Property and equipment, net	961	1,531
Restricted cash	100	100
Deferred offering costs	307
Total assets	62,558	44,525
Current liabilities:
Accounts payable	3,277	1,187
Accrued expenses and other current liabilities	4,472	1,372
Equipment loan payable	16	113
Current portion of long-term debt		366
Total current liabilities	7,765	3,038
Long-term debt, net of current portion		134
Deferred rent		8
Total liabilities	7,765	3,180
Commitments and contingencies (Note 6)
Stockholders' equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 12,093,333 and 10,634,245 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	1	1
Additional paid-in capital	126,045	95,738
Accumulated deficit	(71,253)	(54,394)
Total stockholders' equity	54,793	41,345
Total liabilities and stockholders' equity	$ 62,558	$ 44,525