Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Revenue and Vendor Concentrations - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Revenue, Major Customer [Line Items]
Total revenue earned	$ 5,672,326us-gaap_Revenues	$ 4,484,138us-gaap_Revenues	$ 11,061,649us-gaap_Revenues	$ 8,946,662us-gaap_Revenues
Accounts receivable, net	2,982,753us-gaap_AccountsReceivableNetCurrent		2,982,753us-gaap_AccountsReceivableNetCurrent		2,955,350us-gaap_AccountsReceivableNetCurrent
Customer Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Total revenue earned	2,287,599		4,385,305	4,055,587
Accounts receivable, net	2,043,769	1,471,245	2,043,769	1,471,245
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	4.00%	6.00%	3.00%	7.00%
Customer One [Member] \| Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue earned		$ 1,644,145
Total revenue, percentage	29.00%	37.00%	29.00%	35.00%
Customer Two [Member] \| Customer Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage	11.00%		11.00%	11.00%
Channel Partners [Member] \| Supplier Concentration Risk [Member] \| Sales Revenue Net [Member]
Revenue, Major Customer [Line Items]
Total revenue, percentage			10.00%