Weighted Average Exercise Prices for Options Granted and Exercisable and Weighted Average Remaining Contractual Life for Options Outstanding (Detail) (USD $)					12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2014 Employees	Jun. 30, 2013 Employees	Jun. 30, 2012 Employees	Jun. 30, 2014 Non-Employees	Jun. 30, 2013 Non-Employees	Jun. 30, 2012 Non-Employees
Number of Shares
Outstanding	2,657,348	2,413,525	2,493,125	2,233,475	2,514,848	2,248,525	2,258,125	142,500	165,000	235,000
Vested and Expected to Vest					2,263,363	2,023,673	833,518	123,750	157,500	223,750
Exercisable					1,068,411	845,275	1,331,994	123,750	157,500	223,750
Weighted Average Exercise Price
Outstanding	$ 0.83	$ 0.95	$ 1.32	$ 1.36	$ 0.82	$ 0.94	$ 1.32	$ 0.96	$ 1.10	$ 1.30
Vested and Expected to Vest					$ 0.82	$ 0.94	$ 1.32	$ 0.99	$ 1.10	$ 1.44
Exercisable					$ 0.97	$ 1.08	$ 1.54	$ 0.99	$ 1.10	$ 1.44
Weighted Average Remaining Contractual Life (Years)
Outstanding					2 years 11 months 5 days	3 years 1 month 17 days	2 years 3 months 11 days	2 years 5 months 19 days	2 years 4 months 13 days	1 year 11 months 12 days
Vested and Expected to Vest					2 years 11 months 5 days	3 years 1 month 17 days	2 years 3 months 11 days	2 years 3 months 11 days	2 years 4 months 17 days	1 year 10 months 17 days
Exercisable					1 year 10 months 10 days	1 year 10 months 6 days	1 year 4 months 2 days	2 years 3 months 11 days	2 years 4 months 17 days	1 year 10 months 17 days
Intrinsic Value
Outstanding					$ 0	$ 475,236	$ 0	$ 0	$ 6,600	$ 0
Vested and Expected to Vest					0	427,712	0	0	6,600	0
Exercisable					$ 0	$ 101,882	$ 0	$ 0	$ 6,600	$ 0

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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