Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Consolidated Balance Sheets
Receivables allowance (in dollars)	$ 483	$ 532
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred Stock, Par Value	$ 0	$ 0
Common stock, Par value	$ 0	$ 0
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	14,214,777	14,438,824
Common stock, shares outstanding	14,214,777	14,438,824