| Dec 31, 2014 | 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 |
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| Cash and cash equivalents | 50 | 33 | 18 | 11 | 3 | 4 | 17 | 77 | 281 | 140 | 221 |
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| Restricted cash | - | - | - | - | - | - | - | - | 1 | 0 | 0 |
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| Accounts receivable, net of allowances of $230 and $255 | 18 | 21 | 18 | 27 | 26 | 32 | 16 | 20 | 57 | 70 | 109 |
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| Inventories | 5 | 7 | 13 | 9 | 7 | 9 | 13 | 12 | 23 | 39 | 48 |
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| Prepaid expenses and other current assets | 1 | 2 | 2 | 1 | 1 | 1 | 2 | 3 | 7 | 17 | 32 |
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| Total current assets | 73 | 62 | 50 | 48 | 37 | 46 | 47 | 112 | 370 | 266 | 409 |
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| Property, plant and equipment, net | 71 | 78 | 84 | 76 | 62 | 54 | 47 | 56 | 259 | 417 | 459 |
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| Operating lease right-of-use assets | - | - | - | - | - | 4 | 3 | 14 | 12 | 17 | 21 |
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| Other long-term assets | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 6 |
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| Total assets | 145 | 140 | 135 | 124 | 99 | 104 | 97 | 183 | 643 | 703 | 895 |
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| Accounts payable | 14 | 11 | 13 | 11 | 12 | 13 | 5 | 17 | 55 | 51 | 44 |
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| Accrued expenses | 6 | 6 | 4 | 6 | 4 | 8 | 4 | 11 | 16 | 23 | 36 |
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| Deferred revenue | - | - | - | - | 3 | 6 | 2 | 1 | 6 | 2 | 2 |
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| Finance obligation for sale and leaseback transactions | - | - | - | - | - | - | - | - | - | - | 4 |
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| Operating lease liabilities | - | - | - | - | - | 1 | 1 | 2 | 2 | 2 | 3 |
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| Long term debt - current portion | - | - | - | - | - | - | 2 | - | - | - | 20 |
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| Total current liabilities | 20 | 17 | 18 | 22 | 23 | 30 | 14 | 37 | 79 | 78 | 110 |
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| Revolving line of credit | - | - | - | - | - | - | - | - | - | - | 42 |
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| Long term debt | - | - | - | - | - | - | - | - | - | - | 95 |
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| Convertible note - related party | - | - | - | - | - | - | - | - | 104 | 115 | - |
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| Finance obligation for sale and leaseback transactions long-term | - | - | - | - | - | - | - | - | - | - | 10 |
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| Operating lease liabilities long-term | - | - | - | - | - | 4 | 4 | 13 | 13 | 22 | 23 |
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| Total liabilities | 21 | 18 | 19 | 23 | 29 | 45 | 30 | 55 | 196 | 215 | 280 |
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| Common Stock, Value, Issued | - | - | - | - | - | - | - | - | - | - | - |
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| Additional paid-in capital | 523 | 528 | 533 | 538 | 542 | 545 | 576 | 673 | 1,075 | 1,162 | 1,275 |
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| Accumulated deficit | -399 | -406 | -418 | -437 | -472 | -486 | -508 | -545 | -628 | -674 | -660 |
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| Total stockholders' equity | 124 | 122 | 116 | 101 | 70 | 59 | 68 | 128 | 447 | 488 | 615 |
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| Total liabilities and stockholders' equity | 145 | 140 | 135 | 124 | 99 | 104 | 97 | 183 | 643 | 703 | 895 |
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