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Note 5 - Fair Value of Financial Instruments - Financial Instruments at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure $ 276,464 $ 3,345,928
Notes payable, net of debt discounts   0
Liabilities, Fair Value Disclosure 0 0
Fair Value, Net Asset (Liability) 276,464 3,345,928
Fair Value, Inputs, Level 1 [Member] | Related Party [Member]    
Notes payable, net of debt discounts 0 0
Fair Value, Inputs, Level 1 [Member] | Nonrelated Party [Member]    
Notes payable, net of debt discounts 0  
Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure 0 5,191,541
Notes payable, net of debt discounts   150,000
Liabilities, Fair Value Disclosure 3,896,158 1,525,787
Fair Value, Net Asset (Liability) 3,896,158 3,665,754
Fair Value, Inputs, Level 2 [Member] | Related Party [Member]    
Notes payable, net of debt discounts 3,502,243 1,375,787
Fair Value, Inputs, Level 2 [Member] | Nonrelated Party [Member]    
Notes payable, net of debt discounts 393,915  
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure 276,464 3,345,928
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure $ 0 0
Intangible Assets [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure   0
Intangible Assets [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure   304,244
Goodwill [Member] | Fair Value, Inputs, Level 1 [Member]    
Assets, Fair Value Disclosure   0
Goodwill [Member] | Fair Value, Inputs, Level 2 [Member]    
Assets, Fair Value Disclosure   $ 4,887,297