CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 124,771	$ 52,071
Research and development incentive receivable	59	73
Prepaid expenses and other current assets	271	130
Total current assets	125,101	52,274
Property and equipment, net	43	65
Right of use assets, net	311	528
Research and development incentive receivable, net of current portion	1,508
Deferred tax assets	169	179
Deferred costs	34	345
Deposits	914	980
Total assets	128,080	54,371
Current liabilities:
Accounts payable	7,966	2,717
Accrued expenses	2,597	2,747
Deferred revenue	375	1,500
Lease liability - current portion	323	408
Total current liabilities	11,261	7,372
Non current liabilities:
Restricted stock liability		204
Lease liability, net of current portion		144
Total liabilities	11,261	7,720
Stockholders' equity:
Common stock, $0.001 par value; 240,000,000 shares authorized; 87,836,818 and 59,657,742 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	88	60
Additional paid-in capital	369,761	270,155
Accumulated other comprehensive loss	(246)	(579)
Accumulated deficit	(252,784)	(222,985)
Total stockholders' equity	116,819	46,651
Total liabilities and stockholders' equity	$ 128,080	$ 54,371