v3.25.1
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 91,139,000 $ 143,991,000
Marketable securities - available-for-sale debt securities (amortized cost of $60,451 and $2,940) net of allowance for expected credit losses of $0 and $0 60,466,000 2,947,000
Accounts receivable, net of allowance for expected credit losses of $0 and $0 1,454,000 821,000
Inventory, net 7,320,000  
Other current assets and prepaid expenses 27,790,000 59,793,000
Total current assets 188,169,000 207,552,000
Restricted cash 2,067,000 3,026,000
Other non-current assets 629,000  
Operating lease right-of-use assets, net of accumulated amortization of $17,750 and $13,220 19,909,000 20,762,000
Property, plant and equipment, net of accumulated depreciation of $51,893 and $46,020 31,309,000 50,946,000
Intangible assets, net of accumulated amortization of $5,567 and $5,155 3,880,000 330,000
Total assets 245,963,000 282,616,000
Current liabilities    
Accounts payable 8,692,000 8,128,000
Operating lease liabilities, current 4,709,000 5,384,000
Accrued expenses and other current liabilities 32,919,000 30,303,000
Restructuring provision 5,911,000  
Deferred revenue, current 12,296,000 28,973,000
Total current liabilities 64,527,000 72,788,000
Operating lease liabilities, non-current 19,263,000 19,851,000
Deferred revenue, non-current 95,815,000 149,060,000
Borrowings, non-current 50,237,000  
Other liabilities, non-current 4,272,000 1,404,000
Total liabilities 234,114,000 243,103,000
Stockholders' equity    
Common stock - Ordinary shares par value £0.001, 2,039,252,874 authorized and 1,535,653,620 issued and outstanding (2023: 1,702,760,280 authorized and 1,363,008,102 issued and outstanding) 2,085,000 1,865,000
Additional paid in capital 1,105,653,000 1,064,569,000
Accumulated other comprehensive loss (1,902,000) (3,748,000)
Accumulated deficit (1,093,987,000) (1,023,173,000)
Total stockholders' equity 11,849,000 39,513,000
Total liabilities and stockholders' equity $ 245,963,000 $ 282,616,000

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