CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 136,428	$ 121,718
Marketable securities	4,881	0
Research and development incentive receivable	820	1,152
Prepaid expenses and other current assets	5,520	5,807
Total current assets	147,649	128,677
Property and equipment, net	868	1,104
Goodwill	17,351	17,351
Right-of-use assets	6,452	7,229
Other assets	1,079	1,225
Total assets	173,399	155,586
Current liabilities:
Accounts payable	5,108	7,777
Accrued expenses	15,231	12,034
Current portion of lease liability	1,148	1,198
Current portion of long-term debt	764	1,315
Total current liabilities	22,251	22,324
Long-term debt, net of discount and current portion	31,836	32,304
Lease liabilities	3,124	3,603
Warrant liability (Note 4)	47,179	23,131
Other liabilities	1,474	173
Total liabilities	105,864	81,535
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, $0.001 par value, 500,000,000 shares authorized as of June 30, 2023 and December 31, 2022, respectively; 164,418,011 and 121,667,250 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	164	122
Additional paid-in capital	523,960	450,786
Accumulated other comprehensive loss	(119)	(119)
Accumulated deficit	(456,470)	(376,738)
Total stockholders’ equity	67,535	74,051
Total liabilities and stockholders’ equity	$ 173,399	$ 155,586