Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details)

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Note 9 - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Fair Value, Inputs, Level 1 [Member]    
Goodwill (non-recurring) $ 0 $ 0
Intangibles, net (non-recurring) 0 0
Fair Value, Inputs, Level 2 [Member]    
Goodwill (non-recurring) 0 0
Intangibles, net (non-recurring) 0 0
Fair Value, Inputs, Level 3 [Member]    
Goodwill (non-recurring) 411,183 411,183
Intangibles, net (non-recurring) $ 584,369 $ 1,124,720