Note 16 - Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net gains on equity securities	$ 12	$ 500
Total income	36,145	30,962
Interest expense	8,083	5,386
Noninterest expense	22,122	23,660
Net income before income taxes	9,616	4,844
Income tax benefit	1,662	633
Net income	7,954	4,211
Comprehensive income	8,976	3,559
Parent Company [Member]
Dividends from subsidiaries	4,688	3,316
Investment income		10
Net gains on equity securities		510
Total income	4,688	3,836
Interest expense	205	272
Noninterest expense	634	539
Total expense	839	811
Income before income taxes and undistributed subsidiary income	3,849	3,025
Undistributed equity in net income of subsidiary	3,922	1,125
Net income before income taxes	7,771	4,150
Income tax benefit	(183)	(61)
Net income	7,954	4,211
Comprehensive income	$ 8,976	$ 3,559