Stockholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended		1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 02, 2011 Maximum	Jun. 30, 2012 2009 Plan
Stockholders Equity Note [Line Items]
Common stock authorized for repurchase			$ 2,000,000
Repurchase of common stock, shares	75,026	106,023
Repurchase of common stock, weighted average cost	$ 5.39	$ 4.02
Repurchase of common stock, value	$ 405,000	$ 426,000
Shares of common stock reserved for issuance to employees, non-employee directors and consultants				700,000