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Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 9 Months Ended
Feb. 25, 2021
Jun. 27, 2021
USD ($)
Dec. 27, 2020
USD ($)
Jun. 28, 2020
USD ($)
Jun. 27, 2021
USD ($)
Jun. 28, 2020
USD ($)
Mar. 29, 2020
shares
Revenue from Contract with Customer, Including Assessed Tax   $ 196,490,000   $ 182,528,000 $ 600,736,000 $ 426,238,000  
Common Stock, Shares, Outstanding, Ending Balance (in shares) | shares             5,813,591
Previously Reported [Member]              
Common Stock, Shares, Outstanding, Ending Balance (in shares) | shares             58,135,910
Reverse Stock Split [Member]              
Stockholders' Equity Note, Stock Split, Conversion Ratio 10            
Subscription and Circulation [Member]              
Revenue from Contract with Customer, Including Assessed Tax   88,792,000   89,115,000 269,905,000 178,234,000  
Subscription and Circulation [Member] | Reclassified Other Revenue to Subscription Revenue [Member]              
Revenue from Contract with Customer, Including Assessed Tax     $ 794,000 598,000   1,579,000  
Product and Service, Other [Member]              
Revenue from Contract with Customer, Including Assessed Tax   $ 16,576,000   15,659,000 $ 51,505,000 43,578,000  
Product and Service, Other [Member] | Reclassified Other Revenue to Subscription Revenue [Member]              
Revenue from Contract with Customer, Including Assessed Tax     $ (794,000) $ (598,000)   $ (1,579,000)  
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%