| 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 |
|---|
| Net income | 35 | 34 | 74 | 53 | 46 | 56 | 24 | 53 | 88 | 47 | 26 | 15 |
|---|
| Depreciation | - | - | - | - | - | - | - | - | - | - | 10 | 10 |
|---|
| Amortization of deferred financing costs | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Benefit for deferred income taxes | 3 | 2 | -2 | 5 | -4 | -5 | -14 | -1 | -5 | -1 | -10 | -2 |
|---|
| Change in fair value of equity securities | - | - | - | - | - | - | - | -13 | 6 | -0 | -1 | -8 |
|---|
| Change in fair value of derivative instruments | 1 | 2 | 1 | 0 | 3 | -4 | -2 | 2 | 0 | 0 | -1 | 0 |
|---|
| Loss (gain) on the sale of investments | - | - | - | - | - | - | - | - | -2 | -4 | 1 | -0 |
|---|
| Stock based compensation | - | 0 | - | 1 | 2 | 2 | 1 | 0 | 0 | 0 | - | 0 |
|---|
| Loss on disposal of property and equipment | 0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | 0 | -0 | -0 | -0 |
|---|
| Impairment of intangible asset | - | - | - | - | - | - | - | - | - | - | 1 | - |
|---|
| Noncash interest expense | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Accounts receivable | -0 | 13 | 6 | 22 | -4 | -22 | -2 | -6 | 94 | -89 | 8 | -3 |
|---|
| Accounts receivable – related parties | -0 | 0 | 5 | -3 | -1 | 0 | -0 | 2 | 3 | -3 | -1 | -0 |
|---|
| Inventory | -20 | 15 | 0 | 3 | 20 | -13 | -8 | -4 | -2 | -4 | -7 | -0 |
|---|
| Income tax receivable | 1 | - | 15 | 5 | -6 | 6 | -14 | -0 | 1 | 10 | -8 | -8 |
|---|
| Prepaid expenses | -0 | -0 | 0 | -0 | -0 | 0 | -0 | 0 | 0 | 2 | -0 | 0 |
|---|
| Prepaid expenses – related party | - | - | - | - | - | - | - | - | - | -0 | 0 | 0 |
|---|
| Other assets | 1 | -0 | 0 | -0 | 1 | 1 | 0 | 0 | -0 | -1 | -1 | -1 |
|---|
| Accounts payable | - | - | - | - | - | - | - | - | 41 | -49 | 2 | 14 |
|---|
| Accounts payable - related parties | 3 | 1 | -3 | 2 | -3 | 1 | -0 | 1 | -0 | -0 | 7 | -0 |
|---|
| us-gaap_IncreaseDecreaseInAccruedLiabilities | -0 | 0 | 4 | -3 | -2 | -1 | 0 | 0 | 1 | 0 | 1 | -1 |
|---|
| Accrued expenses and other current liabilities – related parties | - | - | - | - | - | 0 | -0 | - | 0 | -0 | 0 | - |
|---|
| Deferred revenue | - | - | - | - | - | - | - | -1 | 2 | -1 | -3 | -4 |
|---|
| Other noncurrent liabilities | - | - | 2 | 1 | -3 | 2 | -2 | 3 | -4 | -0 | -1 | -0 |
|---|
| Net cash provided by operating activities | 50 | 65 | 62 | 52 | 40 | 91 | 39 | 86 | 35 | 96 | 44 | 52 |
|---|
| Collateralization of derivative instruments | - | -3 | -1 | 1 | -1 | 1 | 2 | -2 | 0 | -0 | 1 | 0 |
|---|
| Purchase of marketable securities | 87 | 59 | 49 | 41 | 39 | 61 | 31 | 20 | 20 | 5 | 24 | - |
|---|
| Proceeds from the sale of marketable securities | 40 | 34 | 41 | 57 | 49 | 30 | 23 | 48 | 31 | 10 | 41 | 1 |
|---|
| Proceeds from the sale of property and equipment | 0 | 0 | 0 | 0 | 0 | - | 0 | 0 | 0 | 0 | - | 0 |
|---|
| Proceeds from the sale of intangible assets | - | - | - | - | - | - | - | - | - | - | 0 | - |
|---|
| Capital expenditures | 23 | 9 | 19 | 8 | 7 | 4 | 4 | 5 | 7 | 4 | 1 | 5 |
|---|
| Net cash (used in) provided by investing activities | -51 | -33 | -24 | 7 | 2 | -35 | -13 | 25 | 4 | 0 | 15 | -4 |
|---|
| Loan proceeds | - | - | - | - | - | - | - | - | - | 8 | - | - |
|---|
| Payment on loan | - | - | - | - | - | - | - | - | - | 8 | - | - |
|---|
| Minimum tax withholding on stock options exercised | - | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | - | 0 | - |
|---|
| Deferred financing costs | - | - | - | - | - | - | - | - | - | 0 | - | - |
|---|
| Proceeds from the issuance of stock | 16 | 3 | 19 | - | - | 0 | - | - | - | - | 0 | - |
|---|
| Equipment financing proceeds | - | - | - | - | - | - | - | - | - | 0 | - | - |
|---|
| Payment of dividends | 16 | 67 | 30 | 21 | 10 | 10 | 111 | 10 | 10 | 142 | 120 | 11 |
|---|
| Net cash used in financing activities | -0 | -63 | -11 | -21 | -12 | -11 | -111 | -11 | -10 | -142 | -120 | -11 |
|---|
| Net change in cash and cash equivalents | - | - | - | - | - | - | - | - | - | -45 | -61 | 38 |
|---|
| Cash paid for interest | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
|---|
| Cash paid for income taxes | 14 | 19 | 39 | 12 | 13 | 1 | 0 | 9 | 2 | 1 | 0 | 0 |
|---|
| Noncash capital expenditures | - | - | - | - | - | 0 | - | 0 | 0 | - | 0 | 0 |
|---|
| Noncash operating leases | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 1 |
|---|