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Revenue and Vendor Concentrations - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014
Revenue, Major Customer [Line Items]
Revenue	$ 6,439,995	$ 4,659,724	$ 17,501,644	$ 13,606,386
Accounts receivable, net	3,807,947		3,807,947		$ 2,955,350
Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Revenue	3,584,253	2,140,009	6,638,085	3,999,442
Accounts receivable, net	$ 2,024,277	$ 1,413,670	$ 2,024,277	$ 1,413,670
Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage			10.00%	10.00%
Geographic Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	3.00%	1.00%	1.00%	5.00%
Customer One [Member] \| Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	24.00%	19.00%	27.00%	29.00%
Customer Two \| Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	20.00%	16.00%	11.00%
Customer Three \| Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	12.00%	11.00%
Channel Partners [Member] \| Supplier Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage			10.00%