Revenue and Vendor Concentrations - Additional Information (Detail) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Revenue, Major Customer [Line Items]
Total revenue earned	$ 19,150,345	$ 14,803,185	$ 9,092,683
Accounts receivable balances	1,431,163	588,475	675,074
One Customer [Member]
Revenue, Major Customer [Line Items]
Total revenue earned	5,668,973	3,607,417
Three customers [Member]
Revenue, Major Customer [Line Items]
Total revenue earned			$ 3,787,730
Sales Revenue Net [Member] | Customer [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	10.00%	10.00%	10.00%
Sales Revenue Net [Member] | Customer One [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	30.00%	24.00%	15.00%
Sales Revenue Net [Member] | Customer Two [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage			15.00%
Sales Revenue Net [Member] | Customer Three [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage			12.00%
Sales Revenue Net [Member] | Channel partner [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	10.00%
Sales Revenue Net [Member] | International sales [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	4.00%	3.00%	5.00%