Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 26, 2015
Prepaid expenses	$ 2,798	$ 2,494
Current assets	75,623	72,775
Other non-current assets	81	40
Notes payable		0
Current liabilities	18,418	18,531
Long-term debt	$ 24,189	21,526
As Previously Reported [Member]
Prepaid expenses		2,534
Current assets		72,815
Other non-current assets		0
Notes payable		19,776
Current liabilities		38,307
Long-term debt		1,750
Revision [Member]
Prepaid expenses		(40)
Current assets		(40)
Other non-current assets		40
Notes payable		(19,776)
Current liabilities		(19,776)
Long-term debt		$ 19,776