Note 16 - Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Nov. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash and cash equivalents	$ 9,080		$ 37,439
Goodwill	19,460		19,460
Total Assets	1,059,508		1,032,323
Accrued expenses and other liabilities	21,665		14,692
Stockholders' equity	96,959	$ 92,300	91,480	$ 85,858
Total Liabilities and Stockholders' Equity	1,059,508		1,032,323
Parent Company [Member]
Cash and cash equivalents	72		114	$ 40
Equity in net assets of subsidiaries	93,649		88,132
Goodwill	5,190		5,190
Other assets	141		134
Total Assets	99,052		93,570
Other Short-term borrowed funds	2,050		2,050
Accrued expenses and other liabilities	43		40
Stockholders' equity	96,959		91,480
Total Liabilities and Stockholders' Equity	$ 99,052		$ 93,570