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Earnings Per Share (Tables) | 6 Months Ended
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Mar. 31, 2017
Earnings Per Share [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):
| Three months ended March 31, |  | Six months ended March 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
Numerator: |  |  |  |  |  |  |
Income from continuing operations | $ | 1,331 |  |  | $ | 2,226 |  |  | $ | 3,688 |  |  | $ | 5,357 |
(Loss) income from discontinued operations, after income taxes | — |  |  | (89 | ) |  | — |  |  | 3,230 |
Net income | $ | 1,331 |  |  | $ | 2,137 |  |  | $ | 3,688 |  |  | $ | 8,587 |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income per common share — weighted average shares outstanding | 26,477 |  |  | 25,820 |  |  | 26,324 |  |  | 25,574 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and restricted stock units | 775 |  |  | 178 |  |  | 810 |  |  | 542 |
Denominator for diluted net income per common share — adjusted weighted average shares | 27,252 |  |  | 25,998 |  |  | 27,134 |  |  | 26,116 |
Basic net income per common share: |  |  |  |  |  |  |
Continuing operations | $ | 0.05 |  |  | $ | 0.09 |  |  | $ | 0.14 |  |  | $ | 0.21 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.13 |
Net income (1) | $ | 0.05 |  |  | $ | 0.08 |  |  | $ | 0.14 |  |  | $ | 0.34 |
Diluted net income per common share: |  |  |  |  |  |  |
Continuing operations | $ | 0.05 |  |  | $ | 0.09 |  |  | $ | 0.14 |  |  | $ | 0.21 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 0.12 |
Net income (1) | $ | 0.05 |  |  | $ | 0.08 |  |  | $ | 0.14 |  |  | $ | 0.33 |
(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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