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Other assets: (Tables) | 12 Months Ended
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Sep. 30, 2012
Other assets: |
Schedule of other assets |
|  | September 30, 2012 |  | September 30, 2011 |
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Intangible assets, net of accumulated amortization of $441,637 and $391,829 at September 30, 2012 and September 30, 2011 |  | $ | 158,600 |  | $ | 208,408 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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