CONSOLIDATED CONDENSED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Jul. 11, 2015	Dec. 27, 2014	Jul. 12, 2014
Receivables allowance (in dollars)	$ 744	$ 900	$ 783
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, shares issued	0	0	0
Common stock, shares authorized	30,000,000	30,000,000	30,000,000
Common stock, shares issued	14,115,061	13,998,090	13,909,099
Common stock, shares outstanding	14,115,061	13,998,090	13,909,099