CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings	Total
Balance at Dec. 29, 2018	$ 14,439	$ 113,882	$ 128,321
Balance (in shares) at Dec. 29, 2018	14,439
Net income		267	267
Expense of stock options and restricted stock units		144	144
Exercise of stock options	$ 10	108	118
Exercise of stock options (in shares)	10
Settlement of restricted stock units	$ 25	(25)	0
Settlement of restricted stock units (in shares)	25
Dividends declared		(1,809)	(1,809)
Purchase of stock	$ (3)	(22)	(25)
Purchase of stock (in shares)	(3)
Balance at Mar. 23, 2019	$ 14,471	112,545	127,016
Balance (in shares) at Mar. 23, 2019	14,471
Balance at Dec. 28, 2019	$ 14,215	111,955	126,170
Balance (in shares) at Dec. 28, 2019	14,215
Net income		1,951	1,951
Expense of stock options and restricted stock units		136	136
Settlement of restricted stock units	$ 24	(24)	0
Settlement of restricted stock units (in shares)	24
Dividends declared		(1,762)	(1,762)
Purchase of stock	$ (142)	(1,184)	(1,326)
Purchase of stock (in shares)	(142)
Balance at Mar. 21, 2020	$ 14,097	$ 111,072	$ 125,169
Balance (in shares) at Mar. 21, 2020	14,097