Summary of Stock-Based Compensation Expense Related to Common Stock and Common Stock Option Awards (Detail) - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Summary Of Stock Based Compensation Expense Related To Common Stock and Common Stock Option Awards [Line Items]
Stock-based compensation expense	$ 83,848	$ 119,139
Cost of services
Summary Of Stock Based Compensation Expense Related To Common Stock and Common Stock Option Awards [Line Items]
Stock-based compensation expense	1,227	28,743
General and administrative
Summary Of Stock Based Compensation Expense Related To Common Stock and Common Stock Option Awards [Line Items]
Stock-based compensation expense	$ 82,621	$ 90,396