Document And Entity Information	9 Months Ended
	Mar. 31, 2015	May 15, 2015
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		2,731,612
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2015