| Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net loss | - | - | - | -86 | -77 | -189 | -290 | -294 | -284 | -48 |
|---|
| Depreciation | 6 | 6 | 6 | 7 | 11 | 12 | 10 | 10 | 10 | 3 |
|---|
| Finance Lease, Right-of-Use Asset, Amortization | - | - | - | - | 10 | 10 | 5 | 1 | 0 | 0 |
|---|
| Net accretion of premium and discount on investments | - | - | - | 0 | 4 | -0 | -2 | -2 | 5 | 2 |
|---|
| Unrealized loss on equity investments | - | - | - | - | - | - | -0 | - | - | - |
|---|
| Investment income in unconsolidated variable interest entity | - | - | - | - | - | - | 1 | 2 | 3 | 4 |
|---|
| Loss on disposal of property and equipment | -0 | - | -0 | -0 | 0 | -1 | -0 | 0 | -0 | -3 |
|---|
| Stock-based compensation | 28 | 32 | 38 | 52 | 66 | 73 | 71 | 66 | 51 | 25 |
|---|
| Acquired in-process research and development expenses | - | - | - | - | - | - | - | - | 25 | - |
|---|
| Dividend received from unconsolidated variable interest entity | - | - | - | - | - | - | - | - | 2 | 2 |
|---|
| Accounts receivable, net | 2 | -5 | -2 | 55 | -35 | 12 | -25 | -1 | -3 | 7 |
|---|
| Inventories | - | - | - | - | 7 | 9 | 14 | 11 | 2 | -22 |
|---|
| Prepaid expenses and other current assets | -1 | -1 | 2 | 0 | 129 | -123 | 10 | -5 | 28 | 16 |
|---|
| Operating lease right-of-use assets | - | - | - | - | - | - | -4 | -11 | -12 | -66 |
|---|
| Other assets | 0 | 0 | 2 | -1 | 3 | -7 | 4 | -0 | -0 | -1 |
|---|
| Accounts payable | 2 | -0 | -1 | 4 | -3 | 18 | 1 | 6 | -16 | 15 |
|---|
| Accrued and other liabilities | - | - | - | - | 18 | 31 | 16 | 91 | -50 | -94 |
|---|
| Operating lease liabilities, current | - | - | - | - | - | - | 1 | -1 | 4 | -13 |
|---|
| Deferred revenues | - | - | - | -5 | -50 | 45 | 58 | -4 | -28 | -28 |
|---|
| Accrued interest expense related to sale of future revenues | - | - | - | - | - | - | - | - | - | 2 |
|---|
| Accrued interest for finance lease liabilities | - | - | - | - | 0 | -0 | -0 | 0 | -0 | 0 |
|---|
| Operating lease liabilities, non-current | - | - | - | - | - | - | -4 | -9 | -13 | -66 |
|---|
| Other long-term liabilities | 4 | 2 | 2 | 2 | 52 | -28 | -12 | -18 | -3 | -1 |
|---|
| Net cash used in operating activities | - | - | - | -76 | -79 | 82 | -82 | -146 | -315 | -138 |
|---|
| Purchases of property and equipment | 2 | 1 | 9 | 8 | 6 | 4 | 5 | 4 | 3 | 0 |
|---|
| Payment made for acquired in-process research and development asset | - | - | - | - | - | - | 25 | 35 | - | - |
|---|
| Proceeds from sale of property and equipment | 0 | - | 0 | 0 | 0 | - | - | 0 | - | 1 |
|---|
| Purchases of available-for-sale securities | - | - | - | - | - | - | 484 | 164 | 252 | 9 |
|---|
| Cash Acquired from Acquisition | - | - | - | - | - | - | - | - | 1 | - |
|---|
| Proceeds from sales of available-for-sale securities | - | - | - | - | - | - | 4 | 7 | 7 | - |
|---|
| Proceeds from maturities of investments | - | - | - | 54 | 537 | 457 | 83 | 284 | 401 | 134 |
|---|
| Net cash provided by investing activities | - | - | - | -522 | 120 | 452 | -427 | 89 | 154 | 126 |
|---|
| Proceeds from Issuance of Secured Debt | - | - | - | - | - | - | - | - | 74 | - |
|---|
| Cash paid for transaction costs for senior secured term loan facilities | - | - | - | - | - | - | - | - | 3 | - |
|---|
| Repayments of finance lease liabilities | - | - | - | - | 12 | 13 | 5 | 0 | 0 | 0 |
|---|
| Repayments of lease obligations | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 | - |
|---|
| Cash paid for payroll taxes on restricted stock unit releases | - | 3 | 8 | 16 | 13 | 11 | 7 | 5 | 0 | 0 |
|---|
| Proceeds From Sale Of Future Revenues Net Of Issuance Costs | - | - | - | - | - | - | - | 50 | - | - |
|---|
| Cash paid for transaction costs related to sale of future revenues | - | - | - | - | - | - | - | 1 | - | - |
|---|
| Proceeds from Issuance Initial Public Offering | - | - | - | - | - | - | - | - | 48 | - |
|---|
| Proceeds from Issuance of Common Stock | 13 | 10 | 35 | 30 | 21 | 38 | 13 | 4 | 4 | 0 |
|---|
| Net cash (used in) provided by financing activities | - | - | - | 14 | -4 | 13 | -1 | 47 | 123 | -0 |
|---|
| Effect of exchange rate change on cash and cash equivalents | - | - | - | -0 | -0 | 5 | 3 | -5 | -3 | 1 |
|---|
| Net increase (decrease) in cash and cash equivalents | - | - | - | -584 | 37 | 552 | -507 | -16 | -42 | -12 |
|---|
| Non cash acquisition in Fortis | - | - | - | - | - | - | - | - | -22 | - |
|---|
| Interest payments | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 |
|---|
| Capital Expenditures Incurred but Not yet Paid | 1 | 0 | 4 | 0 | 0 | 1 | 1 | 0 | 0 | - |
|---|
| Cash and cash equivalents of continuing operations | - | - | - | - | - | - | - | - | - | 50 |
|---|