Note 16 - Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 6,748	$ 7,954
Net cash provided by operating activities	9,531	10,428
Dividends paid	(3,436)	(3,313)
Net cash used in financing activities	106,567	5,465
Cash and cash equivalents at beginning of period	14,986
Cash and cash equivalents at end of period	37,439	14,986
Parent Company [Member]
Net income	6,748	7,954
Undistributed equity in net income of subsidiary	(2,216)	(3,922)
Other, net	478	303
Net cash provided by operating activities	5,010	4,335
Net change in borrowings	(1,500)	(1,000)
Dividends paid	(3,436)	(3,313)
Net cash used in financing activities	(4,936)	(4,313)
Increase (decrease) in cash and cash equivalents	74	22
Cash and cash equivalents at beginning of period	40	18
Cash and cash equivalents at end of period	$ 114	$ 40