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Earnings (Loss) Per Common Share (Tables) | 12 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Calculation of Net Earnings (Loss) and Weighted Average Common Shares and Common Equivalent Shares Outstanding for Computation of Earnings (Loss) Per Share | The following table summarizes the calculation of net earnings (loss) and weighted average common shares and common equivalent shares outstanding for purposes of the computation of earnings (loss) per share (in thousands, except share and per share amounts):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Net income (loss) |  | $ | (45,970 | ) |  | $ | (32,641 | ) |  | $ | 36,911 |
Less: Income allocable to unvested restricted stock |  |  | — |  |  |  | — |  |  |  | (444 | )
Income (loss) available to common shareholders |  |  | (45,970 | ) |  |  | (32,641 | ) |  |  | 36,467 |
Reallocation of participating earnings |  |  | — |  |  |  | — |  |  |  | 2 |
Income (loss) attributable to common shareholders for diluted earnings per share |  | $ | (45,970 | ) |  | $ | (32,641 | ) |  |  | 36,469 |
Weighted average number of common share equivalents: |  |  |  |  |  |  |  |  |  |  |  |
Common shares used in basic earnings (loss) per share |  |  | 13,044,875 |  |  |  | 12,996,958 |  |  |  | 12,950,958 |
Common share equivalents outstanding related to stock options |  |  | — |  |  |  | — |  |  |  | 46,051 |
Total weighted average common shares and common share equivalents used in diluted earnings per share |  |  | 13,044,875 |  |  |  | 12,996,958 |  |  |  | 12,997,009 |
Earnings (loss) per shares: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (3.52 | ) |  | $ | (2.51 | ) |  | $ | 2.82 |
Diluted |  | $ | (3.52 | ) |  | $ | (2.51 | ) |  | $ | 2.81 |

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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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