Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 70,400	$ 84,701
Prepaid expenses and other current assets	3,399	3,130
Total current assets	73,799	87,831
Property and equipment, net	3,499	3,686
Operating lease right-of-use assets	2,222	1,147
Restricted cash	417	345
Other non-current assets	611	645
Total assets	80,548	93,654
Current liabilities:
Accounts payable	1,466	3,919
Current portion of operating lease liabilities	521	505
Accrued expenses and other current liabilities	3,982	3,596
Total current liabilities	5,969	8,020
Non-current portion of operating lease liabilities	3,383	2,380
Common stock warrant liability	1,300	7,350
Earnout liability	1,150	5,743
Other non-current liabilities	641	643
Total liabilities	12,443	24,136
Commitments and contingencies (Note 9)
Stockholders’ equity
Preferred stock: $0.0001 par value — 10,000,000 shares authorized at March 31, 2022 and December 31, 2021; none issued and outstanding at March 31, 2022 and December 31, 2021
Common stock: $0.0001 par value — 492,000,000 shares authorized at March 31, 2022 and December 31, 2021; 37,874,207 and 37,855,114 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	4	4
Additional paid-in capital	137,758	136,964
Accumulated deficit	(69,657)	(67,450)
Total stockholders’ equity	68,105	69,518
Total liabilities and stockholders’ equity	$ 80,548	$ 93,654