Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 26, 2015	Dec. 27, 2014
Receivables allowance (in dollars)	$ 1,086	$ 900
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	14,179,844	13,998,090
Common stock, shares outstanding	14,179,844	13,998,090