| 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 |
|---|
| Net income (loss) | - | - | - | - | -34 | -15 | -22 | -37 | -83 | -46 | 13 |
|---|
| Depreciation | - | - | - | - | - | - | 10 | 9 | 9 | 15 | 23 |
|---|
| Accretion Of Interest On Convertible Note Related Party | - | - | - | - | - | - | - | - | 5 | 4 | 7 |
|---|
| Amortization of convertible note issuance costs | - | - | - | - | - | - | - | - | - | - | 0 |
|---|
| Amortization of debt issuance costs | - | - | - | - | - | - | - | - | 0 | 0 | - |
|---|
| Amortization Of Debt Discount Due To Modification Of Convertible Note Related Party | - | - | - | - | - | - | - | - | - | 1 | 0 |
|---|
| Loss on extinguishment of debt | - | - | - | - | - | - | - | 4 | - | - | -27 |
|---|
| Deferred financing costs written off | - | - | - | - | - | - | - | - | - | - | 2 |
|---|
| Provision for bad debt | - | - | - | - | 3 | - | 0 | -0 | 0 | -0 | 0 |
|---|
| Stock-based compensation expense | 9 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 9 | 11 | 13 |
|---|
| Impairment of property, plant and equipment | - | - | - | - | - | - | - | - | - | - | 8 |
|---|
| Reduction in the carrying amount of operating lease right-of-use assets | - | - | - | - | - | -1 | -1 | -2 | -3 | -3 | -2 |
|---|
| Accounts receivable | -1 | 3 | -3 | 9 | 2 | 7 | -16 | 5 | 37 | 13 | 39 |
|---|
| Inventories | -2 | 2 | 6 | -4 | -2 | 1 | 4 | -1 | 11 | 17 | 8 |
|---|
| Prepaid expenses and other assets | 0 | 1 | 0 | -0 | -0 | 0 | 1 | 2 | 3 | 7 | 20 |
|---|
| Accounts payable | 1 | 2 | 0 | 1 | 2 | 0 | -7 | 7 | 5 | 5 | 7 |
|---|
| Accrued expenses | 1 | -0 | -2 | 2 | -2 | 4 | -4 | 7 | 5 | 7 | 12 |
|---|
| Deferred revenue | - | - | - | - | 1 | 3 | -4 | -1 | 5 | -4 | -0 |
|---|
| Operating lease liabilities | - | - | - | - | - | -1 | -1 | -1 | -2 | -2 | -2 |
|---|
| Net cash provided by (used in) operating activities | - | - | - | - | -9 | -1 | -10 | -19 | -94 | -43 | 46 |
|---|
| Capital expenditures | 13 | 22 | 13 | 6 | 4 | 2 | 3 | 14 | 178 | 175 | 86 |
|---|
| Net cash used in investing activities | - | - | - | - | -4 | -2 | -3 | -14 | -178 | -175 | -86 |
|---|
| Proceeds from offering, net | 0 | - | - | - | - | - | - | - | - | - | - |
|---|
| Issuance costs | - | - | - | - | - | - | - | - | 0 | - | - |
|---|
| Proceeds from issuance of convertible note related party | - | - | - | - | - | - | - | - | 100 | - | - |
|---|
| Proceeds from Stock Options Exercised | - | - | - | - | - | - | 3 | 2 | 1 | 2 | 10 |
|---|
| Payments made for employee restricted stock tax withholdings | - | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 2 | 0 | 1 |
|---|
| Fees and issuance costs from registered direct offering of common stock | - | - | - | - | - | - | - | - | - | 1 | 1 |
|---|
| Proceeds from Issuance of Private Placement | - | - | - | - | - | - | - | 75 | 50 | - | - |
|---|
| Fees and issuance costs from private placement of common stock | - | - | - | - | - | - | - | 1 | 0 | 0 | - |
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| Repayment of convertible note | - | - | - | - | - | - | - | - | - | - | 150 |
|---|
| Repayment of term loan | - | - | - | - | - | - | - | - | - | - | 7 |
|---|
| Proceeds from term loan | - | - | - | - | - | - | 4 | - | - | - | 125 |
|---|
| Issuance costs from term loan and revolver | - | - | - | - | - | - | - | - | - | - | 6 |
|---|
| Proceeds from revolver | 5 | - | - | 27 | 57 | - | - | - | - | - | 43 |
|---|
| Proceeds from sale and leaseback transactions | - | - | - | - | - | - | - | - | - | - | 15 |
|---|
| Repayment of finance obligation for sale and leaseback transactions | - | - | - | - | - | - | - | - | - | - | 1 |
|---|
| Repayment of prepayment liability | - | - | - | - | - | - | - | - | 10 | - | - |
|---|
| Net cash provided by financing activities | - | - | - | - | 5 | 3 | 26 | 92 | 478 | 75 | 122 |
|---|
| Net (decrease) increase in cash, cash equivalents and restricted cash | - | - | - | - | -7 | 0 | 13 | 60 | 206 | -143 | 81 |
|---|
| Interest paid | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 7 |
|---|
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | - | - | - | - | - | 0 | 0 | 12 | 3 | 10 | 5 |
|---|
| Capitalized Interest | 0 | - | - | - | - | - | - | - | 3 | 6 | - |
|---|
| Increase In Debt Discount Due To Modification Of Convertible Note Related Party | - | - | - | - | - | - | - | - | 4 | - | - |
|---|
| Changes in accrued capital expenditures | 6 | -5 | 2 | -4 | 0 | 0 | -0 | 5 | 32 | -8 | -14 |
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