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Earnings per Share (Tables) | 6 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Earnings per share |
(dollars in thousands, except per share amounts) | Three Months ended |  | Six Months ended
| March 31, |  | March 31,
| 2016 |  | 2015 |  | 2016 |  | 2015
Weighted average common shares |  |  |  |  |  |  |
outstanding during the period |  |  |  |  |  |  |
- shares used for basic |  |  |  |  |  |  |
earnings per common share |  | 9,853 |  |  |  | 9,749 |  |  |  | 9,828 |  |  |  | 9,730 |
Common shares issuable under |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
share based payment plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
which are potentially dilutive |  | 40 |  |  |  | 69 |  |  |  | 45 |  |  |  | 83 |
Common shares used for diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
earnings per common share |  | 9,893 |  |  |  | 9,818 |  |  |  | 9,873 |  |  |  | 9,813 |
Income from continuing operations | $ | 1,820 |  |  |  | 845 |  |  |  | 9,293 |  |  |  | 1,976 |
Discontinued operations |  | — |  |  |  | 516 |  |  |  | — |  |  |  | 2,179 |
Net income | $ | 1,820 |  |  |  | 1,361 |  |  |  | 9,293 |  |  |  | 4,155 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations | $ | 0.18 |  |  |  | 0.09 |  |  |  | 0.95 |  |  |  | 0.20 |
Discontinued operations |  | 0.00 |  |  |  | 0.05 |  |  |  | 0.00 |  |  |  | 0.23 |
Net income | $ | 0.18 |  |  |  | 0.14 |  |  |  | 0.95 |  |  |  | 0.43 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations | $ | 0.18 |  |  |  | 0.09 |  |  |  | 0.94 |  |  |  | 0.20 |
Discontinued operations |  | 0.00 |  |  |  | 0.05 |  |  |  | 0.00 |  |  |  | 0.22 |
Net income | $ | 0.18 |  |  |  | 0.14 |  |  |  | 0.94 |  |  |  | 0.42 |

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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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