Bank Loan - Additional Information (Detail) (USD $)	0 Months Ended		12 Months Ended
	Nov. 01, 2013 Installment	Oct. 26, 2012	Sep. 30, 2014 Installment	Sep. 30, 2013	Nov. 01, 2013	Oct. 26, 2012
Debt Disclosure [Abstract]
Additional borrowings						$ 1,900,000
Total loan amount after amendment					30,000,000	18,400,000
Monthly payments			59 Months
Number of monthly installments payable	47		59
Required monthly loan principal repayment	312,500		153,333
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
Adjustment made to loan for loan modification or exchange		0
Amortized loan costs			380,000
Amortized cost on straight-line basis in months			60 months
Amortization expenses			$ 83,327	$ 44,956