CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 54	$ 73
Inventories, reserves
Common Stock, shares authorized (in shares)	50,000,000	10,000,000
Common Stock, issued shares (in shares)	6,655,000	5,901,000
Common Stock, outstanding shares (in shares)	6,655,000	5,901,000
Assets of the consolidated variable interest entity	$ 7,843	$ 8,915
Liabilities of the consolidated variable interest entity	$ 2,180	$ 2,838