SHAREHOLDERS' EQUITY (Details 4) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Numerator for basic and diluted earnings per share attributable to common shareholders: | |||
| Net income (loss) attributable to common shareholders | $ 31,289 | $ (2,388) | $ (9,454) |
| Denominator: | |||
| Denominator for basic earnings per share-weighted average shares | 14,017,279 | 14,133,352 | 14,265,589 |
| Denominator for diluted earnings per share-adjusted weighted average shares and assumed conversions | 14,017,279 | 14,133,352 | 14,265,589 |
| Basic earnings (loss) per share (in dollars per share) | $ 2.23 | $ (0.17) | $ (0.66) |
| Diluted earnings (loss) per share (in dollars per share) | $ 2.23 | $ (0.17) | $ (0.66) |