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Income Taxes (Effective Tax Rate Reconciliation) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Jan. 03, 2015
Income Tax Expense Reconciliation |  |  |
Tax at U.S. statutory rates | $ (3,125,000) | $ (2,881,000) | $ 6,302,000
State income taxes, net of federal tax benefit | (49,000) | 285,000 | 324,000
State valuation allowance | 96,000 | 94,000 | 0
Life insurance cash surrender value | 504,000 | 0 | 0
Earn-out adjustments | 0 | (857,000) | (1,217,000)
Manufacturing exemption | 0 | (188,000) | (458,000)
Stock option compensation | 46,000 | 95,000 | 91,000
Uncertain tax positions | 0 | (139,000) | 139,000
Goodwill impairment | 0 | 5,405,000 | 0
Other, net | 330,000 | (15,000) | 205,000
Total | $ (2,198,000) | $ 1,799,000 | $ 5,386,000
Effective Tax Rate Reconciliation |  |  |
Tax at U.S. statutory rates (percent) | 34.00% | 34.00% | 35.00%
State income taxes, net of federal tax benefit (percent) | 0.50% | (3.40%) | 1.80%
State valuation allowance (percent) | (1.00%) | (1.10%) | 0.00%
Life insurance cash surrender value (percent) | (5.50%) | 0.00% | 0.00%
Earn-out adjustments (percent) | 0.00% | 10.10% | (6.80%)
Manufacturing exemption (percent) | 0.00% | 2.20% | (2.50%)
Stock option compensation (percent) | (0.50%) | (1.10%) | 0.50%
Uncertain tax positions (percent) | 0.00% | 1.60% | 0.80%
Goodwill impairment (percent) | 0.00% | (63.80%) | 0.00%
Other, net (percent) | (3.60%) | 0.20% | 1.10%
Total (percent) | 23.90% | (21.30%) | 29.90%

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