(4) Share-based Payments (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Shares issued as a result of option exercises	6,000
[us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod]	1,200
Shares repurchased from employees to facilitate exercise		3,923
Share-based compensation expense recognized during the period	$ 37	$ 84	$ 153	$ 227
Tax benefit from the excess tatax benefit of option exercises			$ 3	$ 49
Shares expired	1,200