v2.3.0.9
DOCUMENT AND ENTITY INFORMATION
6 Months Ended
Dec. 31, 2011
Feb. 01, 2012
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   2,049,873
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 31, 2011
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2012