CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jul. 11, 2020	Dec. 28, 2019	Jul. 13, 2019
CONSOLIDATED CONDENSED BALANCE SHEETS
Receivables allowance (in dollars)	$ 728	$ 483	$ 533
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, shares issued	0	0	0
Preferred Stock, Par Value	$ 0	$ 0	$ 0
Common stock, Par value	$ 0	$ 0	$ 0
Common stock, shares authorized	30,000,000	30,000,000	30,000,000
Common stock, shares issued	14,153,579	14,214,777	14,467,634
Common stock, shares outstanding	14,153,579	14,214,777	14,467,634