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Prepaid expenses and other current assets: (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Prepaid expenses and other current assets:
Prepaid insurance	$ 350,913	$ 176,340
Other	291,297	259,868
Total	$ 642,210	$ 436,208

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Glossary Current Assets

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