(8) Income Taxes - Summary of change in the deferred tax asset (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 2,150,749	$ 2,300,465	$ 2,475,902
Deferred tax (expense) benefit	676,600	(149,716)	(175,437)
Balance at end of year	$ 2,827,349	$ 2,150,749	$ 2,300,465