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Note 3 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 8 Months Ended
Jul. 08, 2016
Apr. 17, 2015
Jul. 06, 2012
Jul. 08, 2016
Jul. 10, 2015
Capital Lease Obligations Incurred     $ 1,848    
Return of Equipment Financed by Capital Lease $ 69 $ 656   $ 132 $ 656
Capital Leases, Future Minimum Payments Due $ 558     $ 558