| Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net loss | -2,521,839 | -2,580 | -1,304 | -2,828 | -2,714 |
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| Depreciation and amortization | - | 63 | 187 | 234 | 295 |
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| Amortization of insurance premium | - | 18 | 36 | 40 | 33 |
|---|
| Non-cash operating lease cost | - | - | - | 26 | 31 |
|---|
| Stock-based compensation | - | 517 | 424 | 257 | 286 |
|---|
| Inventory and firm purchase commitments write-downs | - | - | - | 906 | 590 |
|---|
| Common Stock Warrant Liability | - | 583 | -1,254 | -87 | -34 |
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| Change in fair value of common stock warrant liability | - | - | - | - | -34 |
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| Change in fair value of equity securities of a related party | - | - | - | 6 | -43 |
|---|
| Change in fair value of derivative liabilities associated with redeemable convertible preferred stock (related party) | - | - | - | - | 155 |
|---|
| Net accretion of investment discounts/premiums | - | - | - | 105 | 77 |
|---|
| Other non-cash items | - | - | 10 | -34 | -6 |
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| Accounts receivable (including $(22,383), $(35,526), and nil from a related party for the years ended December 31, 2024, 2023, and 2022, respectively) | - | 3 | 16 | 33 | 61 |
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| Inventory | - | 175 | 1,256 | 658 | 334 |
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| Prepaid expenses | 937,786 | 25 | 29 | 46 | 17 |
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| Other current assets | - | 15 | 44 | -5 | 141 |
|---|
| Other noncurrent assets | - | -6 | 43 | 122 | 63 |
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| Accounts payable | - | 4 | 180 | -140 | 35 |
|---|
| Other current liabilities | - | 65 | 269 | -72 | 132 |
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| Increase (Decrease) in Other Noncurrent Liabilities | - | -5 | 31 | 75 | 126 |
|---|
| Net cash used in operating activities | -2,467,258 | -1,058 | -2,226 | -2,490 | -2,020 |
|---|
| Purchases of property, plant and equipment (including $(164,683), $(80,511), and $(18,834) from a related party for the years ended December 31, 2024, 2023, and 2022, respectively) | - | - | 1,075 | 911 | 884 |
|---|
| Purchases of investments (including $(35,000), nil, and nil from a related party for the years ended December 31, 2024, 2023, and 2022, respectively) | - | - | 3,854 | 3,998 | 4,623 |
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| Proceeds from maturities of investments | - | - | 1,150 | 3,721 | 4,112 |
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| Proceeds from sale of investments | - | - | - | 148 | 100 |
|---|
| Proceeds from government grant | - | - | 97 | 98 | - |
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| Other investing activities | - | - | - | 5 | - |
|---|
| Net cash used in investing activities | -2,069,550,000 | -421 | -3,682 | -947 | -1,294 |
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| Proceeds from issuance of common stock | 25,000 | - | - | - | - |
|---|
| Payment for issuance costs | - | - | - | - | 6 |
|---|
| Payment for short-term insurance financing note | - | 28 | 15 | - | - |
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| Payment for finance lease liabilities | - | 3 | 5 | 5 | 3 |
|---|
| Proceeds from Related Party Debt | 550,000 | - | - | - | 80 |
|---|
| Repayment of borrowings to a related party | 550,000 | - | - | - | 26 |
|---|
| Proceeds from failed sale-leaseback transaction | - | - | 32 | - | - |
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| Proceeds from Stock Options Exercised | - | 8 | 18 | 10 | 5 |
|---|
| Proceeds from Stock Plans | - | - | 25 | 24 | 19 |
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| Tax withholding payments for net settlement of employee awards | - | 22 | 219 | 18 | 10 |
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| Net cash provided by financing activities | 2,076 | 7,136 | 1,347 | 3,071 | 3,550 |
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| Net increase (decrease) in cash, cash equivalents, and restricted cash | 4 | 5,658 | -4,561 | -366 | 236 |
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| Cash paid for interest, net of amounts capitalized | - | 1 | 23 | 18 | 26 |
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| Cash paid for taxes | - | - | 0 | 0 | 0 |
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| Change In Capital Expenditures Incurred But Not Yet Paid | - | 101 | 43 | 36 | -69 |
|---|
| Change In Government Grant Reflected In Property, Plant and Equipment | - | - | - | - | -62 |
|---|
| Right-Of-Use Asset Obtained In Exchange For Lease Liability | - | 94 | 158 | 32 | 24 |
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| Equity Securities Obtained Through Arrangement | - | - | - | 73 | - |
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