CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jul. 04, 2015	Jan. 03, 2015
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 104	$ 106
Inventories, reserves	$ 0	$ 0
Common Stock, shares authorized (in shares)	10,000	10,000
Common Stock, issued shares (in shares)	5,801	5,788
Common Stock, outstanding shares (in shares)	5,801	5,788
Assets of the consolidated variable interest entity	$ 9,201	$ 9,814
Liabilities of the consolidated variable interest entity	$ 2,600	$ 2,338