Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS

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CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Current assets    
Cash and cash equivalents $ 149,948,000 $ 56,882,000
Marketable securities - available-for-sale debt securities 219,632,000 311,335,000
Accounts receivable, net of allowance for doubtful accounts of $0 and $0 752,000 139,000
Other current assets and prepaid expenses 45,126,000 29,796,000
Total current assets 415,458,000 398,152,000
Restricted cash 1,718,000 4,602,000
Operating lease right-of-use assets, net of accumulated amortization 20,875,000 18,880,000
Property, plant and equipment, net of accumulated depreciation of $36,253 (2020: $31,097) 30,494,000 27,778,000
Intangibles, net of accumulated amortization 1,000,000 1,730,000
Total assets 469,545,000 451,142,000
Current liabilities    
Accounts payable 8,113,000 6,389,000
Operating lease liabilities, current 2,320,000 2,773,000
Accrued expenses and other accrued liabilities 29,909,000 27,079,000
Deferred revenue, current 22,199,000 2,832,000
Total current liabilities 62,541,000 39,073,000
Operating lease liabilities, non-current 23,148,000 20,938,000
Deferred revenue, non-current 177,223,000 49,260,000
Other liabilities, non-current 673,000 644,000
Total liabilities 263,585,000 109,915,000
Stockholders' equity    
Common stock - Ordinary shares par value 0.001, 1,240,853,520 authorized and 937,547,934 issued and outstanding (2020: 1,038,249,630 authorized and 928,754,958 issued and outstanding) 1,337,000 1,325,000
Additional paid in capital 959,611,000 935,706,000
Accumulated other comprehensive loss (11,142,000) (10,048,000)
Accumulated deficit (743,846,000) (585,756,000)
Total stockholders' equity 205,960,000 341,227,000
Total liabilities and stockholders' equity $ 469,545,000 $ 451,142,000