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, 2018	Dec. 31, 2017
Net income	$ 4,211	$ 4,277
Change in fair value of equity securities	(500)
Net cash provided by operating activities	6,612	8,214
Investment in subsidiaries	(19,145)	(29,474)
Net cash provided by (used in) investing activities	(19,444)	(42,364)
Proceeds from exercise of stock options, including tax benefit		1,375
Dividends paid	(2,753)	(2,374)
Net cash used in financing activities	16,151	30,956
Increase (decrease) in cash and cash equivalents	3,319	(3,194)
Cash and cash equivalents at beginning of period	14,374	17,568
Cash and cash equivalents at end of period	17,693	14,374
Parent Company [Member]
Net income	4,211	4,277
Undistributed equity in net income of subsidiary	(1,125)	(1,529)
Change in fair value of equity securities	(510)	(168)
Other, net	1,323	35
Net cash provided by operating activities	3,899	2,615
Sales of investment securities	1,269	417
Investment in subsidiaries		(1,000)
Net cash provided by (used in) investing activities	1,269	(583)
Net change in borrowings	(2,450)	(1,000)
Proceeds from exercise of stock options, including tax benefit		1,375
Dividends paid	(2,753)	(2,374)
Net cash used in financing activities	(5,203)	(1,999)
Increase (decrease) in cash and cash equivalents	(35)	33
Cash and cash equivalents at beginning of period	53	20
Cash and cash equivalents at end of period	$ 18	$ 53