Note 3 - Business Combinations - Schedule of Accretable Yield or Income Expected to be Collected (Details) - Metro Phoenix Bank [Member] - Financial Asset Acquired with Credit Deterioration [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Beginning balance	$ 177
New loans purchased	0
Accretion of income	0
Ending balance	$ 177