Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 54,361	$ 32,550
Short-term investments	61,789	65,344
Restricted cash	303
Prepaid expenses and other current assets	1,800	2,935
Total current assets	118,253	100,829
Property and equipment, net	560	2,243
Operating lease right-of-use assets	1,420	2,223
Restricted cash	1,089	1,392
Other assets	4,353	3,281
Total assets	125,675	109,968
Current liabilities:
Accounts payable	4,188	2,616
Accrued expenses and other current liabilities	6,738	9,030
Operating lease liabilities	1,688	1,549
Deferred revenue	1,497	1,275
Total current liabilities	14,111	14,470
Operating lease liabilities, net of current portion		667
Deferred revenue, net of current portion	12,987	14,077
Total liabilities	27,098	29,214
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized at June 30, 2023 and December 31, 2022; no shares issued and outstanding at June 30, 2023 and December 31, 2022
Common stock, $0.001 par value; 200,000,000 shares authorized at June 30, 2023 and December 31, 2022; 49,545,039 and 31,827,659 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	50	32
Additional paid-in capital	379,102	329,387
Accumulated other comprehensive income (loss), net of tax	(27)	10
Accumulated deficit	(280,548)	(248,675)
Total stockholders’ equity	98,577	80,754
Total liabilities and stockholders’ equity	$ 125,675	$ 109,968