Stock Options and Restricted Stock (Details Textual) (USD $)	3 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)	750,000
Common Stock Used For Restricted Stock Awards (in shares)	225,000
Share Based Compensation Arrangement By Share Based Payment Award Option Exercisable Period	10 years
Stock Options To Be Granted To Non Employee Director Upon Selection (in shares)	7,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 12,000
Percentage Of Shares Exercisable Under Option	25.00%
Stock Options Granted To Non Employee Director Contractual Term	5 years
Stock or Unit Option Plan Expense	64,000	87,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	461,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years 8 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	2 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	81,500
Share-Based Compensation Arrangement By Share-Based Payment Award, Stock Options, Vested In Period (in shares)	12,188	12,500
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested In Period, Fair Value	180,000	135,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price	$ 17.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term	1 year 3 months 18 days
Stock Issued During Period, Shares, Restricted Stock Award, Gross	27,100	38,500
Compensation Cost For Restricted Stock Granted, Grant Date	403,000	412,000
Restricted Stock or Unit Expense	120,000	113,000
Stock options exercised (in shares)	5,313	0
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 1,187,000
Non Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	28,233
Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	53,267

Number of common stock used for restricted stock awards.

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The aggregate amount of compensation cost for restricted stock granted on grant date.

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Percentage of shares exercisable under option.

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The exercisable period of option award, which an employee's right to exercise.

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The number of equity-based stock options, that vested during the reporting period.

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Contractual term of stock options granted to non employee director.

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The number of stock options to be granted to non employee director upon selection.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

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The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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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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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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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Number of share options (or share units) exercised during the current period.

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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