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Income Taxes - Components of Net Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Deferred income tax assets: |  |  |
Inventory reserves | $ 2,088 | $ 3,007 |
Compensation-related accruals | 4,465 | 4,819 |
Accruals and reserves | 112 | 508 |
Accounts receivable | 656 | 744 |
Restructuring costs | 0 | 32 |
Intangible assets | 583 | 0 |
Property and equipment | 1,134 | 778 |
Pension | 10,747 | 11,628 |
Benefit from net operating loss (“NOL”) carryovers | 78,236 | 82,055 |
Other | 194 | 371 |
Total gross deferred income tax assets | 98,215 | 103,942 |
Less: Valuation allowances | (97,552) | (103,311) | $ (99,979)
Total net deferred income tax assets | 663 | 631 |
Deferred income tax liabilities: |  |  |
Other | (663) | (634) |
Total deferred income tax liabilities | (663) | (634) |
Deferred income tax liabilities, net | 0 | $ (3) |
Federal NOL carryovers | 187,100 |  |
State NOL carryovers | $ 256,900 |  |
Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Federal operating loss carryforwards expiration term | 12 years |  |
State operating loss carryforwards expiration term | 1 year |  |
Maximum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Federal operating loss carryforwards expiration term | 19 years |  |
State operating loss carryforwards expiration term | 20 years |  |

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