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Note 2 - Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Number of Reportable Segments | 3 | 2
Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 1,600,000 | $ 600,000
Accounts Receivable, Credit Loss Expense (Reversal) | 1,300,000 | 100,000
Advertising Expense | $ 19,549 | $ 9,298
Minimum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |
Minimum [Member] | Furniture and Fixtures [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |
Minimum [Member] | Software and Software Development Costs [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 3 years |
Maximum [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 7 years |
Maximum [Member] | Furniture and Fixtures [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 7 years |
Maximum [Member] | Software and Software Development Costs [Member] |  |
Property, Plant and Equipment, Useful Life (Year) | 5 years |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] |  |
Number of Major Customers | 0 | 0
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |
Number of Major Customers | 0 | 0

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