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Note 2 - Summary of Significant Accounting Policies (Details Textual)
 12 Months Ended
Oct. 01, 2022
USD ($)
Jan. 25, 2022
shares
Oct. 01, 2021
USD ($)
Oct. 26, 2020
shares
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Accounts Receivable, Allowance for Credit Loss, Current         $ 111,379 $ 121,022
Number of Reporting Units         4  
Goodwill, Impairment Loss $ 0   $ 0      
Goodwill, Ending Balance         $ 179,463,522 151,336,976
Ceded Premiums Earned         1,230,505 652,885
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total         0 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total         0 0
Yellowstone Acquisition Company [Member] | Common Class A [Member]            
Stock Redeemed or Called During Period, Shares (in shares) | shares   12,061,401        
Yellowstone Acquisition Company [Member] | Common Class A [Member] | IPO [Member]            
Stock Issued During Period, Shares, New Issues (in shares) | shares       13,598,898    
Tammy Lynn Outdoor, LLC, Key Outdoor, Inc and Waitt Outdoor, LLC [Member]            
Goodwill, Ending Balance         $ 26,100,000 26,000,000
Minimum [Member]            
Property, Plant and Equipment, Useful Life (Year)         4 years  
Finite-Lived Intangible Asset, Useful Life (Year)         2 years  
Lessor, Operating Lease, Term of Contract (Month)         1 month  
Maximum [Member]            
Property, Plant and Equipment, Useful Life (Year)         20 years  
Finite-Lived Intangible Asset, Useful Life (Year)         50 years  
Lessor, Operating Lease, Term of Contract (Month)         3 years  
Billboard Rentals [Member]            
Accounts Receivable, Allowance for Credit Loss, Current         $ 101,924 110,721
Revenue from Contract with Customer, Including Assessed Tax         39,244,726 31,499,235
Broadband Services [Member]            
Accounts Receivable, Allowance for Credit Loss, Current         9,455 10,301
Revenue from Contract with Customer, Including Assessed Tax         28,627,271 15,234,266
Production Services [Member]            
Revenue from Contract with Customer, Including Assessed Tax         $ 2,140,762 $ 1,677,415