Additional Balance Sheet Information (Details Textual) - USD ($)	7 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 29, 2016	May 28, 2015	May 29, 2014
Regulatory Asset, Amortization Period		40 years
Amortization Of Intangible Assets	$ 194,000	$ 334,000	$ 334,000	$ 334,000
Allowance for Doubtful Accounts Receivable	259,000	204,000
Wehrenberg Theatres [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		2,468,000
Off-Market Favorable Lease [Member]
Amortization of Leased Asset		13,353,000
Finite-Lived Intangible Assets, Accumulated Amortization	$ 3,533,000	$ 3,867,000