| Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 141 | 143 | 833 | 492 | 142 | 1,134 | 526 |
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| Short-term marketable debt securities | - | - | - | - | - | 35 | 314 |
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| Accounts receivable, net | 36 | 48 | 53 | 98 | 97 | 89 | 110 |
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| Inventory, net | 9 | 15 | 23 | 31 | 52 | 62 | 71 |
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| Prepaid Expense and Other Assets, Current | 5 | 11 | 17 | 53 | 32 | 28 | 34 |
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| Total current assets | 469 | 597 | 1,888 | 1,114 | 1,192 | 1,347 | 1,055 |
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| Restricted cash | - | - | - | - | - | 0 | 104 |
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| Property and equipment, net | 31 | 44 | 63 | 124 | 168 | 145 | 137 |
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| Right-of-use assets, net | - | 29 | 37 | 189 | 174 | 158 | 142 |
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| Intangible assets, net | - | 9 | 16 | 14 | 12 | 9 | 7 |
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| Goodwill | - | 3 | 3 | 3 | 3 | 3 | 3 |
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| Other assets, net | 2 | 5 | 17 | 61 | 61 | 124 | 37 |
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| Total Assets | 587 | 963 | 2,272 | 2,204 | 1,610 | 1,786 | 1,486 |
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| Accounts payable | 11 | 16 | 7 | 18 | - | - | 39 |
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| Accrued compensation | - | - | - | - | - | - | 83 |
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| Accrued expenses | - | 5 | 3 | 8 | 29 | 36 | 68 |
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| Deferred revenue | - | - | - | - | - | 18 | 35 |
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| Total current liabilities | 47 | 73 | 67 | 195 | 193 | 206 | 226 |
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| Convertible Debt, Noncurrent | - | - | 806 | 1,135 | 1,137 | 1,140 | 1,143 |
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| Long-term operating lease liabilities | - | 33 | 42 | 226 | 210 | 186 | 164 |
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| Other long-term liabilities | 0 | 2 | 2 | 4 | 9 | 96 | 93 |
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| Total Liabilities | 62 | 115 | 916 | 1,559 | 1,550 | 1,628 | 1,625 |
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| Preferred Stock, Value, Outstanding | - | - | - | - | - | - | - |
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| Common Stock, Value, Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Additional paid-in capital | 764 | 1,150 | 1,902 | 1,658 | 1,742 | 2,304 | 2,444 |
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| Accumulated other comprehensive loss | -0 | 1 | 3 | -5 | -20 | -4 | -5 |
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| Accumulated deficit | -281 | -353 | -607 | -1,008 | -1,662 | -2,142 | -2,578 |
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| Total Stockholders’ Equity (Deficit) | 483 | 798 | 1,298 | 645 | 60 | 159 | -140 |
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| Total Liabilities and Stockholders’ Equity (Deficit) | 587 | 963 | 2,272 | 2,204 | 1,610 | 1,786 | 1,486 |
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