Represents the number of participants in the Company's non-qualified deferred compensation plan.

No definition available.

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

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No definition available.

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The amount of increase (decrease) in expense relating to stock options 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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No definition available.

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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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No definition available.

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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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No definition available.

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Aggregate grant date fair value of options vested.

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No definition available.

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

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Number of fully vested and expected to vest equity-based compensation awards outstanding that can be converted into shares under option plan.

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No definition available.

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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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No definition available.

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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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Number of shares issued pursuant to the terms of a deferred compensation arrangement.

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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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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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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No definition available.

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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 exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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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Number of shares that have been repurchased during the period and are being held in treasury.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Note 10 - Equity Compensation (Details Textual)	3 Months Ended		12 Months Ended		42 Months Ended
Note 10 - Equity Compensation (Details Textual)	Sep. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) shares	Jun. 30, 2016 shares	Jun. 30, 2017 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	7 years 219 days	7 years 109 days	7 years 146 days	6 years 219 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant \| shares	1,366,738
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number \| shares	3,593,365	3,647,927	3,119,688	2,976,490	3,119,688
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number \| shares	1,536,124	1,586,188
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 3,029,686
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 30 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares	724,037	832,500
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares	$ 5.92	$ 11.06
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares	$ 1.71	$ 3.83
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	9 years 300 days	5 years 36 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate	8.30%
Stock or Unit Option Plan Expense	$ 757,808	$ 1,438,443
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number \| shares	3,479,522
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price \| $ / shares	$ 8.21
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 594,220
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term	7 years 219 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 20,156	50,160
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Aggregate Grant Date Fair Value	1,377,325	1,334,248
Proceeds from Stock Options Exercised	114,770	173,185
Reduction of Federal Income Taxes Payable Related To Stock Option Exercise	104,969	78,040
Increase (Decrease) in Expense Related to Stock Option Exercise	81,010
Reduction of Income Tax Expense Related to Stock Option Exercises	5,973	8,880
Reduction of Deferred Tax Asset Related to Stock Option Exercises	$ 180,006	183,665
Increase (Decrease) In Common Stock Related To Stock Option Exercise		$ 165,856
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period \| shares	8,550	9,470
Stock Issued During Period, Value, Share-based Compensation, Gross	$ 77,976	$ 103,100
Deferred Compensation Plan, Number of Participants	38
Treasury Stock, Shares \| shares	241,095		257,898		257,898
Treasury Stock, Value	$ 2,180,397		$ 2,456,875		$ 2,456,875
Deferred Compensation Arrangement with Individual, Shares Issued \| shares	31,922
Treasury Stock Acquired, Repurchase Authorization, Shares Expected \| shares	15,225
Employee Salary Deferrals or Company Contributions [Member]
Treasury Stock, Value, Acquired, Cost Method	$ 106,537	$ 343,700
Treasury Stock, Shares, Acquired \| shares	15,225	34,587
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
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares		$ 3.83
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term		9 years 330 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate					3.50%
Minimum [Member]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price \| $ / shares		$ 10.08
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares		$ 3.39
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term		9 years 270 days
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate					2.00%
Restricted Stock Units (RSUs) [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 913,907
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	194,150	118,575	133,335		133,335
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares	$ 5.92	$ 11.06
Share Based Compensation Valuation Assumptions Expected Forfeiture Rate	8.30%	3.40%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares	91,490	71,700
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Dividends	$ 29,106	$ 13,898
Share-based Compensation Arrangement By Share-based Payment Award, Equity Other Than Options, Vested and Expected To Vest, Outstanding, Number \| shares	180,984	113,868
Allocated Share-based Compensation Expense	$ 255,415	$ 302,301
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 270 days	3 years 270 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	1 year 300 days	2 years 270 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%