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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Ceded Premiums Earned	$ 353,813	$ 300,679
Common Class A [Member] | Yellowstone Acquisition Company [Member] | IPO [Member]
Stock Issued During Period, Shares, New Issues (in shares)	13,598,898
Minimum [Member]
Lessor, Operating Lease, Term of Contract (Month)	1 month
Maximum [Member]
Lessor, Operating Lease, Term of Contract (Month)	3 years

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