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Share-Based Compensation: (Details 4) | 12 Months Ended
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Sep. 30, 2015 USD ($) item | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($)
Share-based compensation |  |  |
Share-based compensation expense | $ 447,000 | $ 810,000 | $ 912,000
2003 Plan | Non-employee director |  |  |
Share-based compensation |  |  |
Fair market value of annual award of non-vested shares | $ 40,000 |  |
Number of quarterly installments of shares awards | item | 4 |  |
Share-based compensation expense | $ 0 | 0 | 0
2009 Plan |  |  |
Share-based compensation |  |  |
Share-based compensation expense | 316,000 | 660,000 | 678,000
2009 Plan | Non-employee director |  |  |
Share-based compensation |  |  |
Share-based compensation expense | $ 191,847 | $ 200,000 | $ 200,000

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- Definition Represents the fair market value of annual non-vested awards under the terms of the arrangement. + References No definition available. + Details
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- Definition Represents the number of quarterly installments of non-vested awards granted under the terms of the arrangement. + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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