XML 14 R25.htm IDEA: XBRL DOCUMENT

Stockholders' Equity - Stock-Based Compensation Expense Related to Stock Options and RSUs (Detail) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to stock options included in operating expenses	$ 922,848	$ 685,633	$ 2,667,969	$ 2,045,767
Sales and marketing [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to stock options included in operating expenses	221,323	102,672	657,014	277,976
Research and development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to stock options included in operating expenses	201,690	161,431	579,517	447,491
General and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to stock options included in operating expenses	$ 499,835	$ 421,530	$ 1,431,438	$ 1,320,300