Organization and Summary of Significant Accounting Policies - Additional Information (Detail)	1 Months Ended				3 Months Ended	12 Months Ended				1 Months Ended
	Jun. 30, 2012 USD ($) Month	Jun. 30, 2012 EUR (€) Month	Jan. 31, 2012 USD ($)	Jun. 30, 2011 USD ($)	Mar. 31, 2012 USD ($)	Jun. 30, 2012 USD ($) Customer Installment Year	Jun. 30, 2011 USD ($) Customer	Jun. 30, 2012 Reclassifications USD ($)	Jun. 30, 2011 Reclassifications USD ($)	Jul. 31, 2012 Servicing Contracts Amendment USD ($)	Feb. 20, 2012 Servicing Contracts Amendment USD ($)	Jun. 30, 2012 Significant Observable Inputs (Level 2) USD ($)	Jun. 30, 2011 Significant Observable Inputs (Level 2) USD ($)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Income from discontinued operations, net of tax								$ 71,000	$ 71,000
Fair value of asset												922,000
Fair value of liability													15,000
Property and equipment estimated useful life, minimum						1
Plant and equipment estimated useful life, maximum						39
Notional amount of foreign exchange contracts	13,100,000	9,600,000				13,100,000
Derivative contracts maturity period	13	13
License fee			300,000	300,000	708,334					354,167	354,167
Additional license fees, upon achievement of certain milestones	150,000					150,000
License agreement						10 years
License fees number of annual payments						5
Annual license fee beginning on March 31, 2013	3,500,000					3,500,000
Royalty and licensing income						8,000,000	1,700,000
Royalty expenses						686,000	268,000
Research and development expenses						1,100,000	980,000.0
Advertising costs						177,000	153,000
Decrease in deferred tax assets valuation allowance							3,300,000
Weighted average fair value options granted							$ 2.00
Aggregate intrinsic value of awards exercised							28,000
Total remaining unrecognized compensation cost related to unvested awards	213,000					213,000
Weighted average remaining requisite service period of unvested awards						1.0
Total fair value of shares vested						$ 227,000	$ 218,000
Anti-dilutive common stock shares excluded from computation of net income per share						456,000	571,000
Credit risk concentration of receivable	29.40%	29.40%		51.00%		29.40%	51.00%
Concentration of risk number of major customers						2	2