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Note A - Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Six Months Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 194 |  |  | $ | 102 |  |  | $ | 282 |  |  | $ | 799 |
Denominator |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding |  |  | 6,817 |  |  |  | 6,891 |  |  |  | 6,817 |  |  |  | 6,905 |
Dilutive effect of stock options |  |  | 33 |  |  |  | 9 |  |  |  | 30 |  |  |  | 10 |
Diluted weighted average common shares outstanding |  |  | 6,850 |  |  |  | 6,900 |  |  |  | 6,847 |  |  |  | 6,915 |
Basic net income per common share |  | $ | 0.03 |  |  | $ | 0.01 |  |  | $ | 0.04 |  |  | $ | 0.12 |
Diluted net income per common share |  | $ | 0.03 |  |  | $ | 0.01 |  |  | $ | 0.04 |  |  | $ | 0.12 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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