Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 60,618	$ 52,432
Restricted cash	25	25
Short-term available-for-sale securities	78,707	98,288
Prepaid and other current assets	7,218	11,237
Total current assets	146,568	161,982
Operating lease right-of-use asset	109
Property and equipment, net	121	150
Other assets	797	290
Total assets	147,595	162,422
Current liabilities:
Accounts payable	4,907	6,843
Accrued expenses	14,388	10,194
Operating lease liability, current	104
Term loan, current	7,500	2,500
Total current liabilities	26,899	19,537
Term loan, non-current, net	12,050	16,898
Liability related to public offering	28,186
Other non-current liability	275	30
Total liabilities	67,410	36,465
Commitments and contingencies (Note 5)
Stockholders’ equity:
Common stock	20	20
Additional paid-in capital	344,319	339,218
Accumulated other comprehensive loss	(318)	(64)
Accumulated deficit	(263,836)	(213,217)
Total stockholders’ equity	80,185	125,957
Total liabilities and stockholders’ equity	$ 147,595	$ 162,422