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Earnings Per Share (Tables) | 3 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Diluted Earnings per Share | Diluted earnings per share is calculated using the treasury stock method.
|  | Three Months Ended
|  | December 31,
|  | 2018 |  | 2017
Numerator: |  |  |  |
Net income (loss) |  | $ | 1,690 |  |  | $ | (2,851 | )
Denominator: |  |  |  |
Denominator for basic net income per share - weighted-average outstanding shares |  | 11,963 |  |  | 11,837 |
Effect of dilutive securities: |  |  |  |
Stock options and restricted stock |  | 1,016 |  |  | — |
Denominator for diluted net income per share - weighted-average outstanding shares |  | 12,979 |  |  | 11,837 |
Net income (loss) per share - basic |  | $ | 0.14 |  |  | $ | (0.24 | )
Net income (loss) per share - diluted |  | $ | 0.13 |  |  | $ | (0.24 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -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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