Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 95,710	$ 86,863
Other current assets and prepaid expenses	20,169	18,125
Total current assets	115,879	104,988
Property and equipment, net	155	152
Goodwill	32,970	32,970
Right-of-use assets, net	874	948
Other long-term assets	42	42
Total assets	149,920	139,100
Current liabilities:
Accounts payable	3,288	3,745
Accrued expenses	7,520	7,071
Other current liabilities	649	585
Total current liabilities	11,457	11,401
Long-term liabilities
Operating lease liabilities	502	584
Total long-term liabilities	502	584
Total liabilities	11,959	11,985
Commitments and contingencies (Note 4)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 20,000,000 authorized and no shares issued or outstanding as of March 31, 2022 and December 31, 2021	0	0
Common stock, $0.0001 par value; 130,000,000 shares authorized and 29,240,383 and 26,335,418 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	3	3
Additional paid-in capital	355,949	324,237
Accumulated other comprehensive loss	(310)	(252)
Accumulated deficit	(217,681)	(196,873)
Total stockholders’ equity	137,961	127,115
Total liabilities and stockholders’ equity	$ 149,920	$ 139,100