Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 32,550,000	$ 45,747,000
Short-term investments	65,344,000	0
Prepaid expenses and other current assets	2,935,000	2,171,000
Total current assets	100,829,000	47,918,000
Property and equipment, net	2,243,000	4,503,000
Operating lease right-of-use assets	2,223,000	1,355,000
Restricted cash	1,392,000	329,000
Other assets	3,281,000	762,000
Total assets	109,968,000	54,867,000
Current liabilities:
Accounts payable	2,616,000	3,125,000
Accrued expenses and other current liabilities	9,030,000	4,258,000
Operating lease liabilities	1,549,000	1,074,000
Deferred revenue	1,275,000	9,789,000
Total current liabilities	14,470,000	18,246,000
Operating lease liabilities, net of current portion	667,000	379,000
Deferred revenue, net of current portion	14,077,000	1,926,000
Total liabilities	29,214,000	20,551,000
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2022 and 2021; no shares issued and outstanding a December 31, 2022 and 2021
Common stock, $0.001 par value; 200,000,000 shares authorized at December 31, 2022 and 2021; 31,827,659 and 13,007,178 shares issued and outstanding at December 31, 2022 and 2021, respectively	32,000	13,000
Additional paid-in capital	329,387,000	227,700,000
Accumulated other comprehensive income, net of tax	10,000
Accumulated deficit	(248,675,000)	(193,397,000)
Total stockholders’ equity	80,754,000	34,316,000
Total liabilities and stock and stockholders’ equity	$ 109,968,000	$ 54,867,000