Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:      
Net loss $ (38,371) $ (44,434) $ (91,564)
Adjustments to reconcile net loss to cash used in operating activities:      
Depreciation 31 84 391
Amortization 1,719 1,716 1,713
Lease termination adjustments 473    
Share-based compensation expense 784 4,758 4,319
Cancellation of share options expense   17,350  
Amortization of short-term investments (1,145) (183) 636
Interest on short-term investments 55 (55) (290)
Amortization of debt discount and deferred financing costs 2,339 2,338 4,097
Adjustments to fair value of derivatives (11,056) (5,458) 60,964
Other 2,267 2,281 3,254
Changes in operating assets and liabilities:      
Prepaid expenses and other current assets (3,188) (1,551) 1,008
Other assets 322   (8)
Accounts payable 2,223 1,895 63
Accrued expenses 3,489 3,185 (662)
Income taxes 271 (510) 271
Other liabilities (354) (708) (1,112)
Net cash used in operating activities (39,330) (18,473) (15,842)
Cash flows from investing activities:      
Purchases of property and equipment (13) (62) (61)
Purchases of short-term investments (41,179) (45,708) (67,034)
Proceeds from sale of short-term investments 64,528 59,727 12,500
Net cash provided by / (used in) investing activities 23,336 13,957 (54,595)
Cash flows from financing activities:      
Repayments of long-term debt   (2,251) (6,516)
Proceeds from issuance of ordinary shares, net of transaction costs 1,034 433 89,643
Net cash provided by / (used in) financing activities 1,034 (1,818) 83,127
Effect of exchange rates on cash and cash equivalents (61) (50) 4
Net (decrease) / increase in cash, cash equivalents and restricted cash (15,021) (6,384) 12,694
Cash, cash equivalents and restricted cash, at beginning of period 21,126 27,510 14,816
Cash, cash equivalents and restricted cash, at end of period 6,105 21,126 27,510
Supplemental Disclosure of Cash Flow Information:      
Income tax paid—U.S. 401 821 435
Interest paid   22 416
Exchangeable Notes      
Adjustments to reconcile net loss to cash used in operating activities:      
Interest on exchangeable notes - non-cash $ 811 $ 819 $ 1,078