Note 1 - Schedule of Estimated Useful Lives of Assets (Details)	12 Months Ended
	Dec. 31, 2021
Minimum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	10 years
Minimum [Member] | Furniture and Equipment Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	3 years
Minimum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	5 years
Maximum [Member] | Buildings [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	39 years
Maximum [Member] | Furniture and Equipment Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	15 years
Maximum [Member] | Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	30 years