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Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)
Mar. 16, 2020
Mar. 27, 2022
Mar. 28, 2021
BH Media Group, Inc. And The Buffalo News [Member]      
Payments to Acquire Businesses, Gross $ 140,000,000    
TNI Partners [Member]      
Equity Method Investment, Ownership Percentage   50.00% 50.00%
MNI [Member]      
Equity Method Investment, Ownership Percentage   50.00%  
INN Partners, L.C. [Member]      
Noncontrolling Interest, Ownership Percentage by Parent   82.50%