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Earnings Per Share (Tables) | 9 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Diluted earnings per share | Diluted earnings per share is calculated using the treasury stock method.
|  | Three Months Ended |  | Nine Months Ended
|  | June 30, |  | June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |  |
Net income |  | $ | 1,614 |  |  | $ | 945 |  |  | $ | 79 |  |  | $ | 2,248 |
Denominator: |  |  |  |  |  |  |  |
Denominator for basic net income per share - weighted-average outstanding shares |  | 11,899 |  |  | 11,299 |  |  | 11,875 |  |  | 11,250 |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock options and restricted stock |  | 985 |  |  | 1,146 |  |  | 997 |  |  | 1,167 |
Denominator for diluted net income per share - weighted-average outstanding shares |  | 12,884 |  |  | 12,445 |  |  | 12,872 |  |  | 12,417 |
Net income per share - basic |  | $ | 0.14 |  |  | $ | 0.08 |  |  | $ | 0.01 |  |  | $ | 0.20 |
Net income per share - diluted |  | $ | 0.13 |  |  | $ | 0.08 |  |  | $ | 0.01 |  |  | $ | 0.18 |

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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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