Stockholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended			1 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Omnibus Stock Incentive Plan 2009	Jun. 02, 2011 Maximum
Stockholders Equity Note [Line Items]
Common stock authorized for repurchase				$ 2,000,000
Repurchase of common stock, shares	132,132	75,026
Repurchase of common stock, weighted average cost	$ 5.32	$ 5.39
Repurchase of common stock, value	$ 703,000	$ 405,000
Shares of common stock reserved for issuance to employees, non-employee directors and consultants			800,000
Number of shares available for grant			478,650