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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) | 1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended |  |
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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 |  |  |  |  |  |

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