Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 27, 2014	$ 52		$ 2,502	$ 2,554
Balance, shares at Dec. 27, 2014	5,153,706
Net income (loss)			(643)	(643)
Stock-based compensation		113		113
Balance at Jan. 02, 2016	$ 52	113	1,859	2,024
Balance, shares at Jan. 02, 2016	5,153,706
Net income (loss)			421	421
Stock-based compensation		25		25
Balance at Dec. 31, 2016	$ 52	$ 138	$ 2,280	$ 2,470
Balance, shares at Dec. 31, 2016	5,153,706