CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 96,254	$ 109,107
Other receivables	1,865	1,084
Prepaid expenses and other current assets	3,543	3,379
Total current assets	101,662	113,570
Property and equipment, net	256	368
Operating lease right of use assets	4,888	5,124
Other assets	5,740	5,740
Total assets	112,546	124,802
Current liabilities:
Accounts payable	583	617
Accrued expenses and other current liabilities	8,862	8,973
Operating lease liabilities	1,697	1,690
Deferred Revenue, Current	11,845	10,369
Total current liabilities	22,987	21,649
Non-current operating lease liabilities	4,685	4,957
Deferred revenue, non-current	19,950	22,166
Other long-term liabilities	85	96
Total liabilities	47,707	48,868
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of September 30, 2022 and 3,218,152 shares issued and outstanding as of December 31, 2021	0	0
Common stock, $0.001 par value; 120,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 42,856,623 shares issued and outstanding as of September 30, 2022 and 32,393,738 shares issued and outstanding as of December 31, 2021	53	52
Additional paid-in capital	491,930	489,760
Accumulated deficit	(427,144)	(413,878)
Accumulated other comprehensive gain (loss)	0	0
Total stockholders' equity	64,839	75,934
Total liabilities and stockholders' equity	$ 112,546	$ 124,802