Note 16 - Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Balance Sheets (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 17,693,000	$ 14,374,000	$ 17,568,000
Equity securities	7,000	1,817,000
Goodwill	19,448,000	10,288,000
Total Assets	898,875,000	750,084,000
Liabilities and Stockholders' Equity
Long-term borrowed funds	32,500,000	23,500,000
Accrued expenses and other liabilities	11,476,000	9,937,000
Stockholders' equity	80,008,000	59,091,000	54,073,000
Total Liabilities and Stockholders' Equity	898,875,000	750,084,000
Parent Company [Member]
Assets
Cash and cash equivalents	18,000	53,000	$ 20,000
Equity securities		1,691,000
Equity in net assets of subsidiaries	79,302,000	63,194,000
Goodwill	5,190,000
Other assets	113,000	1,218,000
Total Assets	84,623,000	66,156,000
Liabilities and Stockholders' Equity
Short-term borrowed funds with affiliated subsidiary bank		1,000,000
Other short-term borrowed funds	2,050,000	2,500,000
Long-term borrowed funds	2,500,000	3,500,000
Accrued expenses and other liabilities	65,000	65,000
Stockholders' equity	80,008,000	59,091,000
Total Liabilities and Stockholders' Equity	$ 84,623,000	$ 66,156,000