CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jul. 09, 2016	Dec. 26, 2015	Jul. 11, 2015
Receivables allowance (in dollars)	$ 453	$ 1,086	$ 744
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	14,271,209	14,179,844	14,115,061
Common stock, shares outstanding	14,271,209	14,179,844	14,115,061