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Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 28, 2013 | Dec. 29, 2012
--- | --- | ---
Deferred tax assets: |  |
Inventory valuation reserves | $ 794 | $ 853
Allowance for doubtful accounts | 100 | 162
Inventory capitalization | 3,089 | 2,239
Environmental reserves | 224 | 229
Interest rate swap | 128 | 116
Back charge accrual | 203 | 72
Deferred compensation | 97 | 120
State net operating loss carryforwards | 142 | 66
Other | 253 | 278
Total deferred tax assets | 5,030 | 4,135
Deferred tax liabilities: |  |
Tax over book depreciation and amortization | 8,021 | 8,046
Prepaid expenses | 749 | 663
Other | 57 | 90
Total deferred tax liabilities | 8,827 | 8,799
Net deferred tax liabilities | $ (3,797) | $ (4,664)

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