Document And Entity Information	6 Months Ended
	Dec. 31, 2013	Feb. 14, 2014
Document Information [Line Items]
Entity Registrant Name	CONSUMERS BANCORP INC /OH/
Entity Central Index Key	0001006830
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	CBKM
Entity Common Stock, Shares Outstanding		2,724,278
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2014