Note 1 - Financial Statement Presentation and Significant Accounting Policies (Details Textual)		3 Months Ended
Aug. 01, 2016 USD ($)	Mar. 31, 2022
Number of Wholly-Owned Subsidiaries		6
Oakmont Capital Holdings, LLC [Member]
Noncash or Part Noncash Acquisition, Intangible Assets Acquired	$ 2,100,000
Signature Insurance Services, LLC [Member]
Payments to Acquire Businesses, Gross	1,000,000.0
Goodwill, Acquired During Period	515,000
Signature Insurance Services, LLC [Member] \| Other Intangible Assets [Member]
Finite-lived Intangible Assets Acquired	$ 485,000
Finite-Lived Intangible Asset, Useful Life (Year)	10 years

The number of wholly owned subsidiaries.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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