Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Statement of Comprehensive Income [Abstract]
Net Income (Loss) Attributable to Parent	$ 6,535	$ 4,520	$ 1,948
Other comprehensive income (loss), net of tax
Foreign currency translation adjustment	215	(245)	(1)
Total comprehensive income	$ 6,320	$ 4,765	$ 1,949