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Earnings Per Share (Tables) | 3 Months Ended
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Dec. 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 (loss) income per common share calculations (in thousands, except per common share data):
| Three months ended December 31,
| 2017 |  | 2016
Numerator: |  |  |
Net (loss) income | $ | (4,569 | ) |  | $ | 2,357 |
Denominator: |  |  |
Denominator for basic net (loss) income per common share — weighted average shares outstanding | 26,748 |  |  | 26,175 |
Effect of dilutive securities: |  |  |
Stock options and restricted stock units | — |  |  | 797 |
Denominator for diluted net (loss) income per common share — adjusted weighted average shares | 26,748 |  |  | 26,972 |
Net (loss) income per common share, basic | $ | (0.17 | ) |  | $ | 0.09 |
Net (loss) income per common share, diluted | $ | (0.17 | ) |  | $ | 0.09 |

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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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