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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 50,708 $ 71,722
Marketable securities 106,513 149,680
Research and development tax credit receivable 2,443 3,326
Prepaid expenses and other current assets 32,826 38,726
Total current assets 192,490 263,454
Property and equipment, net 285 359
Operating lease right-of-use assets 2,652 2,604
Goodwill 16,836 16,836
Research and development tax credit receivable 1,225 3,445
Other non-current assets 33,777 24,939
Total assets 247,265 311,637
Current liabilities:    
Current portion of operating lease liability 900 474
Accounts payable 7,679 2,934
Accrued expenses 7,151 6,501
Other current liabilities 5,270 5,200
Total current liabilities 21,000 15,109
Long-term debt 142,397 128,210
Long-term operating lease liability 1,707 1,840
Other non-current liabilities 3,917 4,212
Total liabilities 169,021 149,371
Shareholders’ equity:    
Preferred shares, nominal value of $0.01 per share; 50,000 shares authorized; 488 issued and outstanding at December 31, 2021 and 2020, respectively 5 5
Ordinary shares, nominal value of $0.01 per share; 500,000 shares authorized; 58,620 and 58,396 issued and outstanding at December 31, 2021 and 2020, respectively 586 583
Additional paid-in capital 549,349 566,916
Accumulated deficit (447,756) (384,187)
Accumulated other comprehensive loss (23,940) (21,051)
Total shareholders’ equity 78,244 162,266
Total liabilities and shareholders’ equity $ 247,265 $ 311,637