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Note 2 - Summary of Significant Accounting Policies (Details Textual)
 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Jan. 01, 2019
USD ($)
Accounts Receivable, Allowance for Credit Loss, Current $ 127,635 $ 50,565  
Number of Reporting Units 3    
Goodwill, Impairment Loss   0  
Goodwill, Ending Balance $ 106,272,501 98,685,795  
Prepaid Expense 2,056,195    
Revenue from Contract with Customer, Including Assessed Tax 28,429,167 14,065,132  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total 0 0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total 0 0  
Operating Lease, Liability, Total 52,001,379    
Finite-Lived Intangible Assets, Net, Ending Balance 30,239,087    
Operating Lease, Right-of-Use Asset 53,249,985  
Off-Market Favorable Lease [Member]      
Finite-Lived Intangible Assets, Net, Ending Balance 811,709  
Accounting Standards Update 2016-02 [Member]      
Operating Lease, Liability, Total     $ 49,066,289
Prepaid Land Lease Assets     (1,945,820)
Accrued Rent     (1,316,000)
Operating Lease, Right-of-Use Asset     $ 49,066,289
Production Services [Member]      
Revenue from Contract with Customer, Including Assessed Tax 1,341,995 561,779  
Tammy Lynn Outdoor, LLC, Key Outdoor, Inc and Waitt Outdoor, LLC [Member]      
Goodwill, Ending Balance $ 3,500,000 $ 73,000,000  
Minimum [Member]      
Property, Plant and Equipment, Useful Life 2 years    
Finite-Lived Intangible Asset, Useful Life 2 years    
Land Lease, Prepayment Period 30 days    
Lessor, Operating Lease, Term of Contract 30 days    
Maximum [Member]      
Property, Plant and Equipment, Useful Life 15 years    
Finite-Lived Intangible Asset, Useful Life 50 years    
Land Lease, Prepayment Period 1 year    
Lessor, Operating Lease, Term of Contract 3 years