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SHARE-BASED PAYMENTS Equity- and Liability- Classified Awards (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Liability-classified share options |  |
Shares |  |
Outstanding at the beginning of the period (in shares) | 591,250 |
Granted (in shares) | 0 |
Exercised (in shares) | 0 |
Expired/Forfeited (in shares) | 0 |
Outstanding at the end of the period (in shares) | 591,250 | 591,250
Exercisable at the end of period (in shares) | 576,250 |
Weighted-Average Exercise Price |  |
Outstanding at the beginning of the period (in dollars per share) | $ 7.98 |
Granted (in dollars per share) | 0.00 |
Exercised (in dollars per share) | 0.00 |
Expired/Forfeited (in dollars per share) | 0.00 |
Outstanding at the end of the period (in dollars per share) | 7.98 | $ 7.98
Exercisable at the end of period (in dollars per share) | $ 8.11 |
Weighted-Average Remaining Contractual Term |  |
Options outstanding, weighted average contractual life | 2 years 6 months 2 days |
Options exercisable, weighted average contractual life | 2 years 4 months 26 days |
Aggregate Intrinsic Value |  |
Options outstanding, aggregate intrinsic value | $ 0 |
Options exercisable, aggregate intrinsic value | $ 0 |
Assumptions used in estimating fair value |  |
Expected volatility range, minimum | 56.70% | 51.50%
Expected volatility range, maximum | 72.70% | 61.60%
Weighted-average volatility | 63.60% | 52.40%
Expected dividends | 0.00% | 0.00%
Risk-free interest rate, minimum | 0.60% | 0.60%
Risk-free interest rate, maximum | 1.40% | 1.90%
Expected forfeitures | 0.00% | 0.00%
Liability-classified share options | Minimum |  |
Assumptions used in estimating fair value |  |
Expected term | 1 year 2 months 13 days | 2 years 2 months 12 days
Liability-classified share options | Maximum |  |
Assumptions used in estimating fair value |  |
Expected term | 7 years 2 months 13 days | 8 years 2 months 12 days
Equity-classified share options |  |
Shares |  |
Outstanding at the beginning of the period (in shares) | 30,000 |
Granted (in shares) | 0 |
Exercised (in shares) | 0 |
Expired/Forfeited (in shares) | 0 |
Outstanding at the end of the period (in shares) | 30,000 | 30,000
Exercisable at the end of period (in shares) | 15,000 |
Weighted-Average Exercise Price |  |
Outstanding at the beginning of the period (in dollars per share) | $ 3.01 |
Granted (in dollars per share) | 0.00 |
Exercised (in dollars per share) | 0.00 |
Expired/Forfeited (in dollars per share) | 0.00 |
Outstanding at the end of the period (in dollars per share) | 3.01 | $ 3.01
Exercisable at the end of period (in dollars per share) | $ 3.01 |
Weighted-Average Remaining Contractual Term |  |
Options outstanding, weighted average contractual life | 7 years 2 months 13 days |
Options exercisable, weighted average contractual life | 7 years 2 months 13 days |
Aggregate Intrinsic Value |  |
Options outstanding, aggregate intrinsic value | $ 0 |
Options exercisable, aggregate intrinsic value | $ 0 |

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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 + 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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- Definition The estimated measure of the minimum 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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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable. + 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 (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding. + 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 (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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