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Earnings per Share (Tables) | 6 Months Ended
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Mar. 31, 2014
Earnings Per Share [Abstract] |
Earnings per share computations |
| Three Months ended |  | Six Months ended
| March 31, |  | March 31,
| 2014 |  | 2013 |  | 2014 |  | 2013
Weighted average common shares |  |  |  |  |  |  |
outstanding during the period |  |  |  |  |  |  |
- shares used for basic |  |  |  |  |  |  |
earnings per common share |  | 9,619 |  |  |  | 9,527 |  |  |  | 9,593 |  |  |  | 9,481 |
Common shares issuable under |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
share based payment plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
which are potentially dilutive |  | 88 |  |  |  | 72 |  |  |  | 97 |  |  |  | 84 |
Common shares used for diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
earnings per common share |  | 9,707 |  |  |  | 9,599 |  |  |  | 9,690 |  |  |  | 9,565 |
Net income | $ | 1,703 |  |  |  | 2,271 |  |  |  | 4,044 |  |  |  | 5,394 |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.18 |  |  |  | 0.24 |  |  |  | 0.42 |  |  |  | 0.57 |
Diluted | $ | 0.18 |  |  |  | 0.24 |  |  |  | 0.42 |  |  |  | 0.56 |

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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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