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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2017
Accounting Policies [Abstract] |
Schedule of Calculation of Numerator and Denominator in Earnings Per Share | The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):
| Fiscal years ended September 30,
| 2017 |  | 2016 |  | 2015
Numerator: |  |  |  |  |
Income from continuing operations | $ | 9,366 |  |  | $ | 13,478 |  |  | $ | 9,433 |
Income (loss) from discontinued operations, after income taxes | $ | — |  |  | $ | 3,230 |  |  | $ | (2,845 | )
Net income | $ | 9,366 |  |  | $ | 16,708 |  |  | $ | 6,588 |
Denominator: |  |  |  |  |
Denominator for basic net income per common share — weighted average shares outstanding | 26,432 |  |  | 25,760 |  |  | 24,645 |
Effect of dilutive securities: |  |  |  |  |
Stock options and restricted stock units | 667 |  |  | 551 |  |  | 582 |
Denominator for diluted net income per common share — adjusted weighted average shares | 27,099 |  |  | 26,311 |  |  | 25,227 |
Basic net income (loss) per common share: |  |  |  |  |
Continuing operations | $ | 0.35 |  |  | $ | 0.52 |  |  | $ | 0.38 |
Discontinued operations | $ | — |  |  | $ | 0.13 |  |  | $ | (0.12 | )
Net income (1) | $ | 0.35 |  |  | $ | 0.65 |  |  | $ | 0.27 |
Diluted net income (loss) per common share: |  |  |  |  |
Continuing operations | $ | 0.35 |  |  | $ | 0.51 |  |  | $ | 0.37 |
Discontinued operations | $ | — |  |  | $ | 0.12 |  |  | $ | (0.11 | )
Net income (1) | $ | 0.35 |  |  | $ | 0.64 |  |  | $ | 0.26 |
(1) Earnings per share presented are calculated by line item and may not add due to the use of rounded amounts.

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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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