Bank Loan - Additional Information (Detail) (USD $)	9 Months Ended
	Jun. 30, 2014 Installment	Jun. 30, 2013	Nov. 01, 2013	Oct. 26, 2012
Debt Disclosure [Abstract]
Additional borrowings				$ 16,300,000
Long-term loan outstanding principal balance				1,900,000
Total loan amount after amendment			30,000,000	18,400,000
Monthly payments	47 Months
Number of monthly installments payable	47
Required monthly loan principal repayment	312,500
Effective interest rate current	3.25%
Spread on reference rate	0.75%
Effective interest rate on debt	4.00%
Final installment date	Oct. 26, 2017
Increase in outstanding loan			13,300,000
Amortized loan costs	376,226
Amortized cost on straight-line basis in months	60 months
Amortization expenses	61,703	32,837
Unamortized loan cost	$ 288,317