Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including 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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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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- Definition

The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

+ References

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- Definition

As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

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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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- 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

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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

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Share-Based Compensation (Details 2) (USD $)	3 Months Ended
Share-Based Compensation (Details 2) (USD $)	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2011
Summary of information regarding options outstanding and options exercisable under the Plans
Number Outstanding, Options Outstanding	613,338	591,672	435,842	320,842
Average Contractual Life, Options Outstanding	8 years 4 months 24 days
Average Exercise Price, Options Outstanding	$ 2.33	$ 2.48	$ 2.71	$ 3.04
Aggregate Intrinsic Value, Options Outstanding	$ 9,734
Number Outstanding, Options Exercisable	268,893
Average Remaining Contractual Life, Options Exercisable	7 years
Average Exercise Price, Options Exercisable	$ 2.84
Aggregate Intrinsic Value, Options Exercisable	9,734
Range One [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Number Outstanding, Options Outstanding	548,334
Average Contractual Life, Options Outstanding	8 years 10 months 24 days
Average Exercise Price, Options Outstanding	$ 1.94
Aggregate Intrinsic Value, Options Outstanding	9,734
Number Outstanding, Options Exercisable	203,889
Average Remaining Contractual Life, Options Exercisable	8 years 1 month 6 days
Average Exercise Price, Options Exercisable	$ 1.97
Aggregate Intrinsic Value, Options Exercisable	9,734
Range One [Member] \| Maximum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, upper limit	$ 3.48
Range One [Member] \| Minimum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, lower limit	$ 1.35
Range Two [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Number Outstanding, Options Outstanding	50,003
Average Contractual Life, Options Outstanding	3 years 6 months
Average Exercise Price, Options Outstanding	$ 3.32
Aggregate Intrinsic Value, Options Outstanding
Number Outstanding, Options Exercisable	50,003
Average Remaining Contractual Life, Options Exercisable	3 years 6 months
Average Exercise Price, Options Exercisable	$ 4.81
Aggregate Intrinsic Value, Options Exercisable
Range Two [Member] \| Maximum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, upper limit	$ 5.62
Range Two [Member] \| Minimum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, lower limit	$ 3.49
Range Three [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Number Outstanding, Options Outstanding	10,001
Average Contractual Life, Options Outstanding	3 years
Average Exercise Price, Options Outstanding	$ 7.33
Aggregate Intrinsic Value, Options Outstanding
Number Outstanding, Options Exercisable	10,001
Average Remaining Contractual Life, Options Exercisable	3 years
Average Exercise Price, Options Exercisable	$ 7.33
Aggregate Intrinsic Value, Options Exercisable
Range Three [Member] \| Maximum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, upper limit	$ 7.76
Range Three [Member] \| Minimum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, lower limit	$ 5.63
Range Four [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Number Outstanding, Options Outstanding	5,000
Average Contractual Life, Options Outstanding	2 years 9 months 18 days
Average Exercise Price, Options Outstanding	$ 9.90
Aggregate Intrinsic Value, Options Outstanding
Number Outstanding, Options Exercisable	5,000
Average Remaining Contractual Life, Options Exercisable	2 years 9 months 18 days
Average Exercise Price, Options Exercisable	$ 9.90
Aggregate Intrinsic Value, Options Exercisable
Range Four [Member] \| Maximum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, upper limit	$ 9.90
Range Four [Member] \| Minimum [Member]
Summary of information regarding options outstanding and options exercisable under the Plans
Range of Exercise Price, lower limit	$ 7.77