Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Summary Of Significant Accounting Policies [Line Items]
Reserve for sales returns	$ 611,000		$ 863,000
Common Shares Issuable Upon Exercise Of Warrants Or Rights	542,000	515,000
Change in fair value of derivative liability		805,000
Research and development	514,000	234,000
Income tax expenses	2,701,000	472,000
Effective tax rate	38.99%
Statutory tax rate	35.00%
Percentage Of Largest Tax Benefit For Measurement Of Tax Benefit Recognized	50.00%
Financial Institution One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Of Credit Risk	13,700,000
Foreign Bank Borrowings [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Of Credit Risk	1,500,000
Another Third Party Financial Institution [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Of Credit Risk	$ 10,000,000