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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 114,916 $ 52,071
Research and development incentive receivable 1,189 73
Prepaid expenses and other current assets 769 130
Total current assets 116,874 52,274
Property and equipment, net 36 65
Right of use assets, net 459 528
Deferred tax assets 159 179
Deferred costs 0 345
Other long term assets 90  
Deposits 293 980
Total assets 117,911 54,371
Current liabilities:    
Accounts payable 4,189 2,717
Accrued expenses 5,366 2,747
Deferred revenue - current portion   1,500
Lease liability - current portion 432 408
Total current liabilities 9,987 7,372
Non current liabilities:    
Restricted stock liability   204
Lease liability, net of current portion 37 144
Total liabilities 10,024 7,720
Stockholders' equity:    
Common stock, $0.001 par value; 240,000,000 shares authorized; 88,318,454 and 59,657,742 shares issued and outstanding as of December 31, 2021 and 2020, respectively 88 60
Additional paid-in capital 371,638 270,155
Accumulated other comprehensive loss (267) (579)
Accumulated deficit (263,572) (222,985)
Total stockholders' equity 107,887 46,651
Total liabilities and stockholders' equity $ 117,911 $ 54,371