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Earnings Per Share (Tables) | 12 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Earnings per share computations |
|  | Years Ended September 30
|  | 2015 |  | 2014 |  | 2013
Common shares: |  |  |  |  |  |
Weighted average common shares |  |  |  |  |  |  |  |  |  |  |  |
outstanding during the period - |  |  |  |  |  |  |  |  |  |  |  |
shares used for basic earnings |  |  |  |  |  |  |  |  |  |  |  |
per common share |  |  | 9,756 |  |  |  | 9,629 |  |  |  | 9,523 |
Common shares issuable under share |  |  |  |  |  |  |  |  |  |  |  |
based payment plans which are |  |  |  |  |  |  |  |  |  |  |  |
potentially dilutive |  |  | 71 |  |  |  | 81 |  |  |  | 82 |
Common shares used for diluted |  |  |  |  |  |  |  |  |  |  |  |
earnings per common share |  |  | 9,827 |  |  |  | 9,710 |  |  |  | 9,605 |
Income from continuing operations |  | $ | 6,093 |  |  |  | 5,184 |  |  |  | 8,614 |
Discontinued operations |  |  | 2,179 |  |  |  | 4,835 |  |  |  | 6,771 |
Net income |  | $ | 8,272 |  |  |  | 10,019 |  |  |  | 15,385 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | .62 |  |  |  | .54 |  |  |  | .90 |
Discontinued operations |  |  | .23 |  |  |  | .50 |  |  |  | .72 |
Net income |  | $ | .85 |  |  |  | 1.04 |  |  |  | 1.62 |
Diluted earnings per common share |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | .62 |  |  |  | .53 |  |  |  | .90 |
Discontinued operations |  |  | .22 |  |  |  | .50 |  |  |  | .70 |
Net income |  | $ | .84 |  |  |  | 1.03 |  |  |  | 1.60 |

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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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