Stock-Based Compensation (Details 2) (USD $)	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Stock options information
Range of exercise price lower limit	$ 2.13
Range of exercise price upper limit	$ 12.20
Stock options outstanding, option outstanding	491,040	292,180
Stock options outstanding weighted average exercise price	$ 9.29
Stock options outstanding weighted average remaining contractual life	5 years 6 months	3 years 2 months 12 days
Stock options exercisable option outstanding	265,640
Stock options exercisable weighted average exercise price	$ 8.53
Stock options exercisable weighted average remaining contractual life	2 years 3 months 18 days
Range One [Member]
Stock options information
Range of exercise price lower limit	$ 2.13
Range of exercise price upper limit	$ 3.70
Stock options outstanding, option outstanding	16,600
Stock options outstanding weighted average exercise price	$ 3.70
Stock options outstanding weighted average remaining contractual life	3 months 18 days
Stock options exercisable option outstanding	16,600
Stock options exercisable weighted average exercise price	$ 3.70
Stock options exercisable weighted average remaining contractual life	3 months 18 days
Range Two [Member]
Stock options information
Range of exercise price lower limit	$ 4.60
Range of exercise price upper limit	$ 5.49
Stock options outstanding, option outstanding	81,900
Stock options outstanding weighted average exercise price	$ 4.79
Stock options outstanding weighted average remaining contractual life	2 years 6 months
Stock options exercisable option outstanding	81,900
Stock options exercisable weighted average exercise price	$ 4.79
Stock options exercisable weighted average remaining contractual life	2 years 6 months
Range Three [Member]
Stock options information
Range of exercise price lower limit	$ 8.93
Range of exercise price upper limit	$ 12.20
Stock options outstanding, option outstanding	392,540
Stock options outstanding weighted average exercise price	$ 10.47
Stock options outstanding weighted average remaining contractual life	6 years 4 months 24 days
Stock options exercisable option outstanding	167,140
Stock options exercisable weighted average exercise price	$ 10.85
Stock options exercisable weighted average remaining contractual life	2 years 3 months 18 days

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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.

+ 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)(iii)

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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.

+ References

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

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-Topic 718

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- Definition

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.

+ 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)(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.

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

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-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.

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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.

+ References

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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.

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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

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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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