| Schedule Of Condensed Financial Statements [Table Text Block] |
Condensed financial information of Consumers Bancorp. Inc. (parent company only) follows: | | | June 30, 2012 | | | June 30, 2011 | | | Condensed Balance Sheets | | | | | | | | | | Assets | | | | | | | | | | Cash | | $ | 74 | | | $ | 25 | | | Subordinated debenture receivable from subsidiary | | | 2,000 | | | | 2,000 | | | Other assets | | | 87 | | | | 92 | | | Investment in subsidiary | | | 25,785 | | | | 23,254 | | | Total assets | | $ | 27,946 | | | $ | 25,371 | | | Liabilities | | | | | | | | | | Other liabilities | | $ | 56 | | | $ | 47 | | | Shareholders’ equity | | | 27,890 | | | | 25,324 | | | Total liabilities & shareholders’ equity | | $ | 27,946 | | | $ | 25,371 | |
| | | Year Ended June 30, 2012 | | | Year Ended June 30, 2011 | | | Condensed Statements of Income | | | | | | | | | | Cash dividends from subsidiary | | $ | 855 | | | $ | 650 | | | Other income | | | 160 | | | | 160 | | | Other expense | | | 163 | | | | 197 | | | Income before income taxes and equity in undistributed net income of subsidiary | | | 852 | | | | 613 | | | Income tax expense (benefit) | | | 3 | | | | (9 | ) | | Income before equity in undistributed net income of subsidiary | | | 849 | | | | 622 | | | Equity in undistributed net income of subsidiary | | | 1,915 | | | | 1,626 | | | Net income | | $ | 2,764 | | | $ | 2,248 | |
| | | Year Ended June 30, 2012 | | | Year Ended June 30, 2011 | | | Condensed Statements of Cash Flows | | | | | | | | | | Cash flows from operating activities | | | | | | | | | | Net income | | $ | 2,764 | | | $ | 2,248 | | | Equity in undistributed net income of Bank subsidiary | | | (1,915 | ) | | | (1,626 | ) | | Change in other assets and liabilities | | | 14 | | | | (20 | ) | | Net cash flows from operating activities | | | 863 | | | | 602 | | | Cash flows from financing activities | | | | | | | | | | Dividend paid | | | (905 | ) | | | (837 | ) | | Proceeds from dividend reinvestment and stock purchase plan | | | 91 | | | | 146 | | | Net cash flows from financing activities | | | (814 | ) | | | (691 | ) | | Change in cash and cash equivalents | | | 49 | | | | (89 | ) | | Beginning cash and cash equivalents | | | 25 | | | | 114 | | | Ending cash and cash equivalents | | $ | 74 | | | $ | 25 | |
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