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Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 9 Months Ended
Jun. 26, 2018
USD ($)
Jun. 30, 2019
USD ($)
Jun. 24, 2018
USD ($)
Jun. 30, 2019
USD ($)
Jun. 24, 2018
USD ($)
Sep. 30, 2018
USD ($)
Dec. 24, 2017
USD ($)
Revenue from Contract with Customer, Including Assessed Tax   $ 127,284,000 $ 132,618,000 $ 386,189,000 $ 404,208,000    
Labor and Related Expense   45,373,000 48,570,000 140,197,000 149,551,000    
Other Cost and Expense, Operating, Total   48,157,000 49,159,000 145,915,000 148,830,000    
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total   (12,112,000)   (12,112,000)   $ (11,746,000)  
Retained Earnings (Accumulated Deficit), Ending Balance   (266,242,000)   (266,242,000)   (279,691,000)  
Accounts Receivable and Contract Assets, Net   47,772,000   47,772,000   $ 43,711,000  
Accounting Standards Update 2017-07 [Member]              
Labor and Related Expense     (708,000)        
Other Cost and Expense, Operating, Total     $ 708,000   $ 2,123,000    
Accounting Standards Update 2018-02 [Member]              
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total             $ (3,067,000)
Retained Earnings (Accumulated Deficit), Ending Balance             $ 3,067,000
Nonoperating Income (Expense) [Member]              
Pension and Other Postretirement Benefits Cost (Reversal of Cost), Total   712,000   2,135,000      
BH Media Group, Inc. [Member]              
Number of Markets 30            
Management Agreement, Term 5 years            
Management Agreement, Term Extension 1 year            
Management Fee, Receivable $ 5,000,000            
BH Media Group, Inc. [Member] | Management Service [Member]              
Revenue from Contract with Customer, Including Assessed Tax       11,320,000      
Accounts Receivable and Contract Assets, Net   $ 5,506,000   $ 5,506,000      
INN Partners, L.C. [Member]              
Noncontrolling Interest, Ownership Percentage by Parent   82.50%   82.50%      
TNI Partners [Member]              
Noncontrolling Interest, Ownership Percentage by Parent   50.00%   50.00%      
MNI [Member]              
Noncontrolling Interest, Ownership Percentage by Parent   50.00%   50.00%