Note 2 - Sales-Mergers-Acquisitions - Sale of Assets and Liabilities (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 12, 2020	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and due from banks			$ 349
Premises and equipment, net			19
Other assets			2,259
Total assets sold			2,627
LIABILITIES
Other liabilities			946
Total liabilities sold			946
Forgiveness of earn-out consideration			880
Consideration received			448
Assets held for sale			2,627
Liabilities held for sale			946
Disposition costs		$ 13	690
Bates Companies
ASSETS
Cash and due from banks	$ 349
Premises and equipment, net	19
Other assets	2,259
Total assets sold	2,627
LIABILITIES
Other liabilities	946
Total liabilities sold	946
Net assets sold	1,681
Forgiveness of earn-out consideration	880
Cash consideration	195
Note receivable consideration	448
Consideration received	500
Imputed interest	52
Gain (loss) on sale of assets and liabilities of subsidiary	158
Assets held for sale	2,627
Liabilities held for sale	946
Disposition costs			$ 227
Bates Companies | Earnout Agreement Cancellation [Member]
LIABILITIES
Consideration received	$ 880