Note 5 - Property and Equipment (Details) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015
Equipment and Furniture [Member]
Property and equipment	$ 2,250	$ 2,585
Computers and Systems [Member]
Property and equipment	4,548	6,553
Leasehold Improvements [Member]
Property and equipment	674	781
Property and equipment	7,472	9,919
Less: accumulated depreciation and amortization	3,790	6,622
Property and equipment	$ 3,682	$ 3,297