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The amount of increase (decrease) to common stock relating to stock option exercises.

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Reduction or Increase of income tax expense related to the exercises of stock options in which the employees sold the common shares prior to the passage of 12 months from the date of exercise.

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Reduction of federal income taxes payable related to the exercises of stock options in which the employees sold the common shares prior to the passage of 12 months from the date of exercise.

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Reduction of income tax expense related to the exercises of stock options in which the employees sold the common shares prior to the passage of 12 months from the date of exercise.

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Represents the ratio in which available shares are consumed for each full value share awarded by the company as part of a share-based compensation arrangement.

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Aggregate grant date fair value of options vested.

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The estimated forfeiture rate used in the calculation of stock option expense for the period.

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As of the balance sheet date, the number of shares expected to vest.

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Represents the net repurchases of common shares expected to be made in the upcoming fiscal year or, if the information is not presented as of year-end, expected to be made during the remainder of the current fiscal year.

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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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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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Unrecognized cost of unvested share-based compensation awards.

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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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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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 grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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Number of additional shares authorized for issuance under an established share-based compensation plan.

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Number of share instruments newly issued under a share-based compensation plan.

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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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Percentage of vesting of share-based compensation awards.

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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.

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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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Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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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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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Note 10 - Equity Compensation (Details Textual)	3 Months Ended		6 Months Ended		12 Months Ended		45 Months Ended
Note 10 - Equity Compensation (Details Textual)	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) shares	Jun. 30, 2015 shares	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term			7 years 36 days	6 years 292 days	6 years 219 days	6 years 36 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares	2,364,601		2,364,601
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number \| shares	3,625,372	3,340,462	3,625,372	3,340,462	2,976,490	2,677,436
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number \| shares	1,700,025	1,628,976	1,700,025	1,628,976
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 2,622,788		$ 2,622,788
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			2 years 90 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares			834,320	1,016,800
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares			$ 11.05	$ 9.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 3.83	$ 3.63
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term			5 years 36 days	4 years 182 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate			3.51%
Stock or Unit Option Plan Expense	$ 142,434	$ 342,134	$ 1,296,009	$ 1,830,707
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number \| shares	3,159,692		3,159,692
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price \| $ / shares	$ 8.92		$ 8.92
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 4,620,655		$ 4,620,655
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			$ 99,883	852,596
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Aggregate Grant Date Fair Value			1,779,490	1,035,041
Proceeds from Stock Options Exercised			171,000	2,195,000
Reduction of Federal Income Taxes Payable Related To Stock Option Exercise			95,443	300,868
Increase (Decrease) In Common Stock Related To Stock Option Exercise			(124,056)	46,066
Reduction of Income Tax Expense Related to Stock Option Exercises			22,073	84,781
Reduction of Deferred Tax Asset Related to Stock Option Exercises			$ 197,427	$ 170,021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms				3 years 182 days
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period \| shares			21,199	12,590
Stock Issued During Period, Value, Share-based Compensation, Gross			$ 228,000	$ 113,400
Deferred Compensation Plan, Number of Participants	30		30
Treasury Stock, Shares \| shares	263,506		263,506		228,103
Treasury Stock, Value	$ 2,514,106		$ 2,514,106		$ 2,167,717
Employee Salary Deferrals or Company Contributions [Member]
Treasury Stock, Value, Acquired, Cost Method			$ 390,288	$ 276,800
Treasury Stock, Shares, Acquired \| shares			39,487	29,021
Excluding Tax Effect of Disqualified Dispositions [Member]
Proceeds from Stock Options Exercised			$ 295,030	$ 2,149,606
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			$ 11.06	$ 11.82
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 3.83	$ 4.48
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term			10 years	9 years 328 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate							3.40%
Treasury Stock Acquired, Repurchase Authorization, Shares Expected \| shares	50,000		50,000
Minimum [Member]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares			$ 9.65	$ 8.84
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 3.29	$ 3.28
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term			9 years 182 days	9 years 182 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate							2.00%
Treasury Stock Acquired, Repurchase Authorization, Shares Expected \| shares	45,000		45,000
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 608,468		$ 608,468
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	118,575	67,000	118,575	67,000	62,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares			$ 11.06	$ 9.39
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate			3.40%	3.30%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number \| shares	114,531		114,531
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares			71,700	72,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Dividends			$ 19,826	$ 4,690
Allocated Share-based Compensation Expense	$ 89,896	$ 33,276	$ 392,197	$ 319,533
Sharebased Compensation Arrangement By Sharebased Payment Award Equity Other Than Options Expected To Vest Outstanding Number \| shares		64,434		64,434
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms			3 years 182 days
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms			2 years 182 days
Annually [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.30%
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%
The 2012 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized \| shares			1,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Fungible Share Ratio			2.5