Note 16 - Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash and cash equivalents	$ 14,986	$ 10,955	$ 10,176
Goodwill	19,460	19,448
Total Assets	915,296	898,875
Long-term borrowed funds	26,500	32,500
Accrued expenses and other liabilities	13,148	11,476
Stockholders' equity	85,858	80,008	59,091
Total Liabilities and Stockholders' Equity	915,296	898,875
Parent Company [Member]
Cash and cash equivalents	40	18	$ 53
Equity in net assets of subsidiaries	84,065	79,302
Goodwill	5,190	5,190
Other assets	171	113
Total Assets	89,466	84,623
Other short-term borrowed funds	2,050	2,050
Long-term borrowed funds	1,500	2,500
Accrued expenses and other liabilities	58	65
Stockholders' equity	85,858	80,008
Total Liabilities and Stockholders' Equity	$ 89,466	$ 84,623