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Aggregate grant date fair value of options vested.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Note 10 - Equity Compensation (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended		36 Months Ended
Note 10 - Equity Compensation (Details Textual)	Mar. 31, 2016 USD ($) $ / shares shares	Mar. 31, 2015 USD ($) shares	Mar. 31, 2016 USD ($) $ / shares shares	Mar. 31, 2015 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 shares	Dec. 31, 2015
Non-Employee Directors [Member] \| Each Ninety Days [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Employees [Member] \| Annually [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Annually [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.30%
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 291,620		$ 291,620
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			2 years 270 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number \| shares	65,500		65,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 9.39
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate			3.30%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares			72,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Dividends			$ 7,965
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period \| shares			5,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period \| shares			1,500
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	9 years 91 days
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Other Than Options Expected To Vest Outstanding Number \| shares	63,369		63,369
Employee Stock Option [Member]
Stock or Unit Option Plan Expense	$ 360,952	$ 271,669	$ 2,191,659	$ 1,153,494
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			10 years
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares			$ 11.87	$ 7.88
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 4.52	3.49
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate							3.30%
Treasury Stock Acquired, Repurchase Authorization, Shares Expected \| shares	39,000		39,000
Minimum [Member]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares			$ 8.84	5.96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 3.28	$ 2.19
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate							2.00%
Treasury Stock Acquired, Repurchase Authorization, Shares Expected \| shares	35,000		35,000
Excluding Tax Effect of Disqualified Dispositions [Member]
Proceeds from Stock Options Exercised			$ 3,737,233	$ 624,248
Employee Salary Deferrals or Company Contributions [Member]
Treasury Stock, Value, Acquired, Cost Method			$ 316,900	$ 165,100
Treasury Stock, Shares, Acquired \| shares			32,696	23,519
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			6 years 292 days	6 years 109 days	6 years 36 days	5 years 146 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares	1,603,993		1,603,993
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number \| shares	3,043,565	2,727,387	3,043,565	2,727,387	2,677,436	2,677,464
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number \| shares	1,362,810	1,650,439	1,362,810	1,650,439
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 2,797,019		$ 2,797,019
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			2 years 180 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares			1,026,800	713,323
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares			$ 9.39	$ 6.76
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 3.64	$ 3.26
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate	3.30%
Stock or Unit Option Plan Expense			$ 2,542,000	$ 1,153,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number \| shares	2,998,087		2,998,087
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price \| $ / shares	$ 8.95		$ 8.95
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 10,304,852		$ 10,304,852
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term			6 years 255 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 1,474,444	126,203
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Aggregate Grant Date Fair Value			1,149,022	777,436
Proceeds from Stock Options Exercised			3,604,000	401,000
Increase (Decrease) in Income Taxes Payable			(518,515)	(44,071)
Increase (Decrease) In Common Stock Related To Stock Option Exercise			(133,172)	(223,003)
Reduction of Income Tax Expense Related to Stock Option Exercises			95,543	18,473
Reduction of Deferred Tax Asset Related to Stock Option Exercises			556,144	$ 248,601
Allocated Share-based Compensation Expense	$ 30,837		$ 350,369
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period \| shares			17,240	21,050
Stock Issued During Period, Value, Share-based Compensation, Gross			$ 168,000	$ 144,000
Deferred Compensation Plan, Number of Participants	28		28
Treasury Stock, Shares \| shares	249,330		249,330		321,838
Treasury Stock, Value	$ 2,372,257		$ 2,372,257		$ 2,986,498