Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 02, 2018	Jan. 02, 2018
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	21,260,000	20,485,000
Common stock, shares outstanding	21,260,000	20,485,000
Accounts payable, related party trade payables	$ 3,866	$ 6,537

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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