| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | 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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| Net loss | -18,296,359 | -4,282,265 | -24,437,209 | 7 | -27 | -16 | -32 | -36 | -39 | -37 | -47 | -108 | -46 | -88 |
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| Share-based compensation | 177,278 | 686,059 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 6 | 8 | 8 |
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| Depreciation | - | - | - | 5 | 5 | 5 | 5 | 5 | 4 | 5 | 5 | 6 | 7 | 8 |
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| Debt related fees and amortization expense | - | - | - | 6 | 7 | 6 | 5 | 8 | 5 | 3 | 4 | 7 | 7 | 6 |
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| Intangibles and other amortization expense | - | - | 253,600 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Accretion and other expenses of Series A preferred units | - | - | - | - | - | - | - | 0 | 2 | 5 | 8 | 10 | 25 | 13 |
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| Loss on asset disposals | - | - | - | -0 | - | -0 | - | -0 | - | - | - | - | - | -4 |
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| Warrants issued for working capital agreement | - | - | - | - | - | - | - | - | - | - | - | - | -0 | - |
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| Gain on debt extinguishment | - | -9,068,868 | - | -1 | -0 | 2 | - | - | - | - | -1 | -49 | - | 0 |
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| Deferred tax (benefit) expense | - | - | - | - | - | - | - | - | 1 | -1 | - | 1 | -1 | - |
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| Accounts receivable | - | - | - | - | - | - | - | - | - | - | - | -0 | 7 | -7 |
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| Inventories | -3,724,088 | -740,242 | 210,837 | 0 | 0 | -2 | 2 | 1 | 0 | -2 | -2 | -0 | 14 | 8 |
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| Prepaid expenses | -172,840 | 148,166 | 13,535 | 0 | -1 | 0 | -0 | -2 | -0 | -0 | -5 | -2 | -2 | -2 |
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| Tax credit sale receivable | - | - | - | - | - | - | - | - | - | - | - | - | - | 12 |
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| Other assets | - | - | - | - | - | - | - | - | - | - | - | 4 | 2 | 3 |
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| Accounts payable | - | 799,620 | - | -1 | 2 | -2 | 3 | 2 | 1 | 1 | -8,000 | 2 | 14 | -1 |
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| Accrued interest expense and fees, net of interest paid | - | 4 | - | 3 | 10 | 6 | 11 | 12 | 18 | 22 | 14 | 16 | 24 | 28 |
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| Other liabilities | - | - | - | -3 | 1 | 0 | 1 | 0 | 7 | 0 | 1 | -10 | -2 | 3 |
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| Net cash provided by (used in) operating activities | -1,246,899 | -16,931,727 | -1,683,125 | 21 | -1 | 0 | -9 | -6 | -2 | 2 | -21 | -23 | 14 | -33 |
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| Capital expenditures | 3 | 1 | 1 | 2 | 0 | 1 | 1 | 4 | 9 | 19 | 27 | 39 | 33 | 20 |
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| Grant proceeds received for capital expenditures | - | - | - | - | - | - | - | - | - | - | - | 8 | 9 | 6 |
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| Net cash used in investing activities | -967,957 | -16,464,229 | 223,997 | -2 | -0 | -1 | -1 | -4 | -9 | -17 | -23 | -31 | -24 | -14 |
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| Proceeds from borrowings | - | - | - | - | - | - | 15 | 20 | 55 | 13 | - | 69 | 75 | 19 |
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| Repayments of borrowings | - | - | - | - | - | - | - | - | - | - | - | 26 | 56 | 5 |
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| Lender debt renewal and waiver fee payments | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 |
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| Payments on Series A preferred financing | - | - | - | - | - | - | - | - | - | - | 0 | - | 30 | - |
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| Payments on finance leases | - | - | - | - | - | - | - | - | - | 1 | 1 | 0 | 0 | 0 |
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| Proceeds from sale of common stock | - | - | - | - | - | - | - | - | - | 5 | 104 | 12 | 22 | 32 |
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| Proceeds from the exercise of stock options | - | - | - | - | - | - | - | - | - | 0 | 1 | 0 | 0 | 0 |
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| Net cash provided by financing activities | 2 | 33 | 6 | -23 | 1 | 2 | 8 | 10 | 10 | 15 | 51 | 54 | 9 | 45 |
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| Effect of exchange rate changes on cash and cash equivalents and restricted cash | - | - | - | - | - | - | - | - | - | - | - | -0 | 0 | 0 |
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| Net change in cash and cash equivalents and restricted cash for period | - | - | - | - | - | - | - | - | - | - | 7 | -1 | -1 | -2 |
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| Cash paid for interest | - | - | 5 | 7 | 0 | 5 | 3 | 6 | 2 | 1 | 6 | 20 | 10 | 9 |
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| Income taxes paid | 3,200 | 4,000 | -5,765 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
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| Settlement of AP via issuance of RSAs | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
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| Subordinated debt extension fees added to debt | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 |
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| Fair value of warrants issued to subordinated debt holders | - | - | - | - | - | - | 0 | 0 | - | - | 2 | 2 | 1 | 1 |
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| Fair value of warrants issued to lender for debt issuance costs | - | - | - | - | - | - | - | - | - | - | - | 3 | 0 | - |
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| Lender debt extension, waiver, and other fees added to debt | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 |
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| Cumulative capital expenditures in accounts payable | - | - | - | - | - | - | - | - | - | - | - | 15 | 8 | 11 |
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