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SHARE-BASED PAYMENTS (Details 2) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Components of the total share-based compensation |  |
Total share-based compensation (benefit) expense for liability-based awards | $ (103,000) | $ 404,000
Equity-classified share options |  |
Shares |  |
Outstanding at the beginning of the period (in shares) | 60,000 |
Outstanding at the end of the period (in shares) | 60,000 |
Exercisable at the end of period (in shares) | 60,000 |
Weighted-Average Exercise Price |  |
Outstanding at the beginning of the period (in dollars per share) | $ 8.62 |
Outstanding at the end of the period (in dollars per share) | $ 8.62 |
Exercisable at the end of period (in dollars per share) | $ 8.62 |
Weighted-Average Remaining Contractual Term |  |
Options outstanding, weighted average contractual life | 2 years 2 months 12 days |
Options exercisable, weighted average contractual life | 2 years 2 months 12 days |
Liability-classified share options |  |
Shares |  |
Outstanding at the beginning of the period (in shares) | 755,375 |
Exercised (in shares) |  | (43,125)
Outstanding at the end of the period (in shares) | 755,375 | 755,375
Exercisable at the end of period (in shares) | 591,625 |
Weighted-Average Exercise Price |  |
Outstanding at the beginning of the period (in dollars per share) | $ 8.40 |
Outstanding at the end of the period (in dollars per share) | $ 8.40 | $ 8.40
Exercisable at the end of period (in dollars per share) | $ 9.53 |
Weighted-Average Remaining Contractual Term |  |
Options outstanding, weighted average contractual life | 5 years 4 months 24 days |
Options exercisable, weighted average contractual life | 5 years |
Share-based payments, additional disclosures |  |
Total unrecognized compensation cost | 52,000 |
Period over which unrecognized compensation cost is expected to be recognized | 1 year 2 months 12 days |
Assumptions used in estimating fair value |  |
Expected volatility range, minimum (as a percent) | 59.20% | 56.50%
Expected volatility range, maximum (as a percent) | 66.80% | 71.00%
Weighted-average volatility (as a percent) | 62.20% | 63.10%
Expected dividends (as a percent) | 0.00% | 0.00%
Risk-free interest rate, minimum (as a percent) | 0.20% | 0.40%
Risk-free interest rate, maximum (as a percent) | 1.00% | 1.70%
Components of the total share-based compensation |  |
Due to vesting | 105,000 | 253,000
Due to remeasurement | (208,000) | 151,000
Total share-based compensation (benefit) expense for liability-based awards | (103,000) | 404,000
Cash feature of non-qualified options exercised (in shares) |  | 43,125
Total intrinsic value of options exercised |  | $ 130,000
Liability-classified share options | Minimum |  |
Assumptions used in estimating fair value |  |
Expected term | 2 years 2 months 12 days | 3 years 2 months 12 days
Liability-classified share options | Maximum |  |
Assumptions used in estimating fair value |  |
Expected term | 7 years 2 months 12 days | 8 years 2 months 12 days

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph e(2)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References No definition available. + Details
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