Note 7 - Goodwill and Other Intangibles (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2015	Dec. 31, 2003
Goodwill, Impairment Loss	$ 0
Finite-Lived Intangible Assets, Gross, Total		$ 1,400,000
Amortization of Intangible Assets	$ 147,000
Peoples Bancorp, Inc [Member]
Goodwill, Acquired During Period		$ 1,100,000
Hometown Bancshares Incorporated [Member]
Goodwill, Acquired During Period			$ 5,400,000