| 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 |
|---|
| Net income | - | - | - | - | - | - | -4 | -24 | -5 | -1 | 3 | -10 | 8 | 1 |
|---|
| Depreciation and amortization expense | 15 | 17 | 15 | 12 | 9 | 7 | 9 | 9 | 7 | 6 | 6 | 6 | 6 | 7 |
|---|
| Deferred income taxes | - | - | - | - | - | - | -5 | -0 | -0 | -0 | -0 | -0 | -0 | - |
|---|
| Stock-based compensation | 2 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
|---|
| Allowance for credit losses | - | - | - | - | - | - | - | - | - | - | -0 | -0 | 0 | -0 |
|---|
| Common stock issued under defined contribution 401(k) plan | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 |
|---|
| (Gain) loss on disposal of assets | -0 | -1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | - | 0 | -0 | -0 | 0 |
|---|
| Accounts receivable | 5 | -5 | -2 | 1 | -7 | 2 | -1 | 4 | 1 | -3 | -2 | 3 | 2 | -6 |
|---|
| AMP credit receivable | - | - | - | - | - | - | - | - | - | - | - | - | 7 | -5 |
|---|
| Contract assets | - | - | - | - | - | - | - | - | - | 2 | -1 | 1 | -0 | -1 |
|---|
| Inventories | 6 | -1 | 15 | -2 | -7 | -3 | -7 | 3 | 9 | -5 | 7 | 11 | -7 | 3 |
|---|
| Prepaid expenses and other current assets | 0 | -1 | -1 | -2 | 0 | 1 | -1 | -0 | 1 | 1 | -0 | 1 | 0 | -1 |
|---|
| Accounts payable | -5 | -1 | 12 | -9 | -4 | 1 | -5 | 1 | 10 | -3 | -2 | 10 | -6 | -4 |
|---|
| Accrued liabilities | -1 | 0 | 2 | 1 | -1 | 0 | -5 | 1 | 1 | 1 | -3 | 1 | 3 | -3 |
|---|
| Customer deposits | - | - | - | - | - | - | - | - | - | -4 | -7 | 22 | -18 | 2 |
|---|
| Other non-current assets and liabilities | -0 | -2 | 0 | 0 | 0 | - | - | 2 | -0 | -0 | 0 | -0 | -0 | 0 |
|---|
| Net cash provided by (used in) operating activities | - | - | - | - | - | - | - | - | - | - | -13 | 17 | -7 | 14 |
|---|
| Purchases of property and equipment | 5 | 6 | 7 | 7 | 3 | 7 | 7 | 2 | 2 | 2 | 2 | 3 | 6 | 4 |
|---|
| Proceeds from disposals of property and equipment | 2 | 0 | 13 | 1 | 1 | 0 | 0 | 1 | 0 | - | 0 | - | 0 | 0 |
|---|
| Net cash used in investing activities | - | - | - | - | - | - | - | -2 | -2 | -2 | -2 | -3 | -6 | -3 |
|---|
| (Payments on) proceeds from line of credit, net | - | - | - | - | - | - | - | - | - | 154 | 156 | -6 | 5 | -5 |
|---|
| Payments for deferred financing costs | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
|---|
| Proceeds from long-term debt | - | - | - | - | - | - | - | - | - | 10 | 1 | 8 | 1 | 4 |
|---|
| Payments on long-term debt | - | - | - | - | - | - | - | - | - | 1 | 0 | 1 | 2 | 1 |
|---|
| Principal payments on finance leases | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 1 | 2 |
|---|
| Shares withheld for taxes in connection with issuance of restricted stock | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 0 |
|---|
| Net cash (used in) provided by financing activities | - | - | - | - | - | - | - | 1 | -1 | -3 | 12 | -2 | 2 | -4 |
|---|
| NET INCREASE (DECREASE) IN CASH | - | - | - | - | - | - | -19 | 1 | 1 | 1 | -3 | 12 | -12 | 7 |
|---|
| Interest paid | 1 | 2 | 1 | 1 | 1 | 0 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 |
|---|
| Income taxes paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Equipment additions via finance lease | - | - | 1 | - | - | - | - | - | - | 3 | 3 | 4 | 1 | 1 |
|---|
| Non-cash purchases of property and equipment | - | - | - | - | - | - | - | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
|---|
| Settlement of incentive compensation liability with stock | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | 1 | - |
|---|