Stockholders' Equity (Summary Of Stock Options Outstanding And Exercisable Under All Stock Option Plans) (Detail) (USD $)	12 Months Ended
Jun. 30, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.30
Range of Exercise Prices, maximum	$ 9.00
Options Outstanding, Number	2,738,250
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 4 months 21 days
Options Outstanding, Weighted Average Exercise Price	$ 1.98
Options Exercisable, Number	1,624,900
Options Exercisable, Weighted Average Exercise Price	$ 0.99
$ 0.30-$ 0.60 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.30
Range of Exercise Prices, maximum	$ 0.60
Options Outstanding, Number	60,355
Options Outstanding, Weighted Average Remaining Contractual Life	6 years 18 days
Options Outstanding, Weighted Average Exercise Price	$ 0.47
Options Exercisable, Number	55,738
Options Exercisable, Weighted Average Exercise Price	$ 0.47
$ 0.64-$ 0.64 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.64
Range of Exercise Prices, maximum	$ 0.64
Options Outstanding, Number	458,631
Options Outstanding, Weighted Average Remaining Contractual Life	2 years 10 months 28 days
Options Outstanding, Weighted Average Exercise Price	$ 0.64
Options Exercisable, Number	458,631
Options Exercisable, Weighted Average Exercise Price	$ 0.64
$ 0.70- $ 0.70 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.70
Range of Exercise Prices, maximum	$ 0.70
Options Outstanding, Number	1,000
Options Outstanding, Weighted Average Remaining Contractual Life	3 years 3 months 26 days
Options Outstanding, Weighted Average Exercise Price	$ 0.70
Options Exercisable, Number	1,000
Options Exercisable, Weighted Average Exercise Price	$ 0.70
$ 0.74-$ 0.74 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.74
Range of Exercise Prices, maximum	$ 0.74
Options Outstanding, Number	691,678
Options Outstanding, Weighted Average Remaining Contractual Life	7 years 1 month 17 days
Options Outstanding, Weighted Average Exercise Price	$ 0.74
Options Exercisable, Number	459,399
Options Exercisable, Weighted Average Exercise Price	$ 0.74
$ 0.75-$ 0.91 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.75
Range of Exercise Prices, maximum	$ 0.91
Options Outstanding, Number	299,906
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 10 months 17 days
Options Outstanding, Weighted Average Exercise Price	$ 0.79
Options Exercisable, Number	218,292
Options Exercisable, Weighted Average Exercise Price	$ 0.78
$ 0.92-$ 1.40 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 0.92
Range of Exercise Prices, maximum	$ 1.40
Options Outstanding, Number	288,632
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 1 month 2 days
Options Outstanding, Weighted Average Exercise Price	$ 1.17
Options Exercisable, Number	239,117
Options Exercisable, Weighted Average Exercise Price	$ 1.16
$ 1.45-$ 3.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 1.45
Range of Exercise Prices, maximum	$ 3.32
Options Outstanding, Number	290,998
Options Outstanding, Weighted Average Remaining Contractual Life	5 years 5 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 2.32
Options Exercisable, Number	175,457
Options Exercisable, Weighted Average Exercise Price	$ 2.31
$ 3.64-$ 5.28 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 3.64
Range of Exercise Prices, maximum	$ 5.28
Options Outstanding, Number	423,000
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 4 months 13 days
Options Outstanding, Weighted Average Exercise Price	$ 4.64
Options Exercisable, Number	16,666
Options Exercisable, Weighted Average Exercise Price	$ 5.28
$ 5.30-$6.91 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 5.30
Range of Exercise Prices, maximum	$ 6.91
Options Outstanding, Number	222,050
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 3 months 18 days
Options Outstanding, Weighted Average Exercise Price	$ 6.08
Options Exercisable, Number	600
Options Exercisable, Weighted Average Exercise Price	$ 5.60
$9.00-$9.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, minimum	$ 9.00
Range of Exercise Prices, maximum	$ 9.00
Options Outstanding, Number	2,000
Options Outstanding, Weighted Average Remaining Contractual Life	9 years 3 months 29 days
Options Outstanding, Weighted Average Exercise Price	$ 9.00

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a, b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

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