Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 04, 2017	Jan. 03, 2017
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, par value
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	21,572,000	22,332,000
Common stock, shares outstanding	21,572,000	22,332,000
Accounts payable, related party trade payables	$ 4,202	$ 5,782