CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 25,180	$ 41,918
Accounts receivable	366	526
Refundable research income tax credits	4,243	4,072
Prepaid expenses and other current assets	7,808	5,175
Total current assets	37,597	51,691
Property and equipment, net	16,877	17,887
Operating lease right-of-use assets	15,965	16,869
Refundable research income tax credits, non-current	13,345	12,809
Other non-current assets	882	879
Restricted cash	1,500	1,500
Total assets	86,166	101,635
Current liabilities:
Accounts payable	18,204	15,485
Accrued compensation and employee benefits	14,005	14,569
Other accrued liabilities	9,797	8,195
Deferred revenues	7,556	7,556
Total current liabilities	49,562	45,805
Deferred revenues, non-current	5,874	5,874
Long-term portion of lease liabilities	24,876	26,253
Deferred income tax	15	0
Other non-current liabilities	933	933
Total liabilities	81,260	78,865
Commitments and contingencies
Stockholders’ equity:
Preferred stock	0	0
Common stock	2,254	2,128
Additional paid-in capital	1,543,093	1,532,489
Accumulated deficit	(1,534,914)	(1,504,317)
Accumulated other comprehensive loss	(5,527)	(7,530)
Total stockholders’ equity	4,906	22,770
Total liabilities and stockholders’ equity	$ 86,166	$ 101,635