v3.22.1
UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Current assets    
Cash and cash equivalents $ 89,539,000 $ 149,948,000
Marketable securities - available-for-sale debt securities 214,679,000 219,632,000
Accounts receivable, net of allowance for doubtful accounts of $0 and $0 1,826,000 752,000
Other current assets and prepaid expenses 53,417,000 45,126,000
Total current assets 359,461,000 415,458,000
Restricted cash 1,716,000 1,718,000
Operating lease right-of-use assets, net of accumulated amortization 21,145,000 20,875,000
Property, plant and equipment, net of accumulated depreciation of $36,671 and $36,253 36,689,000 30,494,000
Intangible assets, net of accumulated amortization of $4,209 and $4,051 788,000 1,000,000
Total assets 419,799,000 469,545,000
Current liabilities    
Accounts payable 7,017,000 8,113,000
Operating lease liabilities, current 2,735,000 2,320,000
Accrued expenses and other current liabilities 31,627,000 29,909,000
Deferred revenue, current 24,772,000 22,199,000
Total current liabilities 66,151,000 62,541,000
Operating lease liabilities, non-current 23,220,000 23,148,000
Deferred revenue, non-current 166,613,000 177,223,000
Other liabilities, non-current 670,000 673,000
Total liabilities 256,654,000 263,585,000
Stockholders' equity    
Common stock - Ordinary shares par value 0.001, 1,240,853,520 authorized and 940,866,006 issued and outstanding (2021: 1,240,853,520 authorized and 937,547,934 issued and outstanding) 1,342,000 1,337,000
Additional paid in capital 965,227,000 959,611,000
Accumulated other comprehensive loss (9,313,000) (11,142,000)
Accumulated deficit (794,111,000) (743,846,000)
Total stockholders' equity 163,145,000 205,960,000
Total liabilities and stockholders' equity $ 419,799,000 $ 469,545,000

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