Note 4 - Acquisition - Summary of Business Acquisitions (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 30, 2021	Oct. 01, 2021	Dec. 31, 2021	Dec. 31, 2020
Acquisition costs			$ 400	$ 400
Ravix Financial, Inc [Member]
Cash paid at closing		$ 10,930
Working capital adjustment		83
Contingent consideration		2,195
Total purchase price		13,208
Cash and cash equivalents		225
Other receivables		17
Accrued expenses and other liabilities		(1,546)
Net deferred income tax liabilities		(1,796)
Total fair value of net assets acquired		$ 13,208
RoeCo Lafayette, LLC [Member]
Cash paid at closing	$ 2,386
Contingent consideration	16,983
Total purchase price	19,618
Acquisition costs	249
Cash and cash equivalents	365
Other receivables	133
Property and equipment, net	16,466
Accrued expenses and other liabilities	(50)
Net deferred income tax liabilities	(245)
Total fair value of net assets acquired	19,618
RoeCo Lafayette, LLC [Member] | Above Market Leases [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	835
RoeCo Lafayette, LLC [Member] | Leases, Acquired-in-Place [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 2,114