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Note 14 - Components of Income Tax Provision (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 28, 2014
Dec. 29, 2013
Current:      
Federal $ 247
State
Current income tax expense $ 247
Deferred:      
Federal (8,939)
State (1,277)
Deferred income tax benefit (10,216)
Income tax benefit $ (9,969)