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Note 15 - Income Taxes (Detail) - Effective income tax rate reconciliation
 1 Months Ended 12 Months Ended
Dec. 27, 2012
Dec. 29, 2012
Dec. 31, 2011
Tax at statutory rate (credit)   34.00% 34.00%
State income taxes, net of Federal income tax benefit   7.40% 5.40%
Permanent differences   (2.40%) (1.50%)
Foreign income tax rate   0.30% 0.20%
Net operating loss carryforward     (6.80%)
Liability for amended return     6.80%
Other, net   0.20% 0.20%
Total income tax expense 39.50% 39.50% 38.30%