Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 40,388	$ 53,888
Investments	6,990	26,935
Prepaid expenses and other current assets	8,132	7,571
Total current assets	55,510	88,394
Operating lease right-of-use asset	970	1,298
Security deposits and leasehold improvements	199	200
TOTAL ASSETS	56,679	89,892
CURRENT LIABILITIES:
Current portion of operating lease liabilities	470	442
Accounts payable	6,973	9,461
Accrued expenses and other current liabilities	14,332	16,559
Warrant liability	24,739
Total current liabilities	46,514	26,462
NONCURRENT LIABILITIES:
Noncurrent portion of operating lease liabilities	536	891
Total noncurrent liabilities	536	891
Total liabilities	47,050	27,353
STOCKHOLDERS' EQUITY:
Common stock, $0.0001 par value; 100,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 48,058,956 shares issued and outstanding as of September 30, 2022 and 26,215,514 shares issued and outstanding as of December 31, 2021	5	3
Preferred stock, par value $0.0001; 10,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 0 shares issued and outstanding as of September 30, 2022 and December 31, 2021
Additional paid-in capital	343,995	328,958
Accumulated other comprehensive gain/(loss)	23	(107)
Accumulated deficit	(334,394)	(266,315)
Total stockholders' equity	9,629	62,539
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 56,679	$ 89,892