CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 03, 2020	Dec. 28, 2019	Oct. 05, 2019
CONSOLIDATED CONDENSED BALANCE SHEETS
Receivables allowance (in dollars)	$ 798	$ 483	$ 519
Preferred Stock, Par Value	$ 0	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000	1,000,000
Preferred stock, shares issued	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	14,169,404	14,214,777	14,291,347
Common stock, shares outstanding	14,169,404	14,214,777	14,291,347