CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 103,220	$ 114,916
Research and development incentive receivable	1,233	1,189
Prepaid expenses and other current assets	491	769
Total current assets	104,944	116,874
Property and equipment, net	32	36
Right of use assets, net	355	459
Research and development incentive receivable, net of current portion	38
Deferred tax assets	164	159
Other long term assets	75	90
Deposits	293	293
Total assets	105,901	117,911
Current liabilities:
Accounts payable	4,287	4,189
Accrued expenses	2,694	5,366
Lease liability - current portion	363	432
Total current liabilities	7,344	9,987
Non current liabilities:
Lease liability, net of current portion		37
Total liabilities	7,344	10,024
Stockholders' equity:
Common stock, $0.001 par value; 240,000,000 shares authorized; 88,318,454 shares issued and outstanding as of March 31, 2022 and December 31, 2021	88	88
Additional paid-in capital	372,842	371,638
Accumulated other comprehensive loss	(425)	(267)
Accumulated deficit	(273,948)	(263,572)
Total stockholders' equity	98,557	107,887
Total liabilities and stockholders' equity	$ 105,901	$ 117,911