CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 27, 2014	Oct. 04, 2014
Receivables allowance (in dollars)	$ 885	$ 900	$ 844
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	14,125,935	13,998,090	13,950,874
Common stock, shares outstanding	14,125,935	13,998,090	13,950,874