Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 55,728	$ 53,888
Investments	11,994	26,935
Prepaid expenses and other current assets	9,176	7,571
Total current assets	76,898	88,394
Operating lease right-of-use asset	1,081	1,298
Security deposits and leasehold improvements	199	200
TOTAL ASSETS	78,178	89,892
CURRENT LIABILITIES:
Current portion of operating lease liabilities	462	442
Accounts payable	8,691	9,461
Accrued expenses and other current liabilities	17,787	16,559
Warrant liability	24,775
Total current liabilities	51,715	26,462
NONCURRENT LIABILITIES:
Noncurrent portion of operating lease liabilities	655	891
Total noncurrent liabilities	655	891
Total liabilities	52,370	27,353
STOCKHOLDERS' EQUITY:
Common stock, $0.0001 par value; 100,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 46,253,524 shares issued and outstanding as of June 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 June 30, 2022 and December 31, 2021; 0 shares issued and outstanding as of June 30, 2022 and December 31, 2021
Additional paid-in capital	341,090	328,958
Accumulated other comprehensive gain/(loss)	6	(107)
Accumulated deficit	(315,293)	(266,315)
Total stockholders' equity	25,808	62,539
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 78,178	$ 89,892