PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,186	$ 7,759
Less: Accumulated depreciation	6,342	5,703
Property and equipment, net	1,844	2,056
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,633	1,708
Software and computer equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,189	4,953
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,364	$ 1,098