The amount of decrease to common stock relating to stock option exercises.

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The reduction in deferred tax asset relating to the exercise of stock options.

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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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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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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 increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.

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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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Percentage of vesting of share-based compensation awards.

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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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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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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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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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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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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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No definition available.

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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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Description of share repurchase program, including accounting treatment.

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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.

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Note 10 - Equity Compensation (Details) (USD $)	3 Months Ended					6 Months Ended		12 Months Ended		3 Months Ended
Note 10 - Equity Compensation (Details) (USD $)	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Note 10 - Equity Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term						6 years 109 days	5 years 292 days	5 years 146 days	5 years 219 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)	1,258,156					1,258,156
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)	2,867,614	2,677,464				2,867,614	2,714,700	2,677,464	2,341,150	2,714,700
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in Shares)	1,778,589					1,778,589	1,908,337			1,908,337
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 1,514,863					$ 1,514,863
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition						37 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term						4 years 219 days	4 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)						593,400	421,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)						$ 6.66	$ 7.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)						$ 3.23	$ 2.64
Share-based Compensation, Valuation Assumptions, Expected Forfeiture Rate	2.10%	2.00%	2.10%	2.20%	2.30%
Stock or Unit Option Plan Expense						882,000us-gaap_StockOptionPlanExpense	779,000us-gaap_StockOptionPlanExpense
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number (in Shares)	2,842,342					2,842,342
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 8.97					$ 8.97
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	554,212					554,212
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term						6 years 109 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value						22,383	59,520
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Aggregate Grant Date Fair Value						598,316	737,054
Proceeds from Stock Options Exercised						108,000	152,000
Increase (Decrease) in Income Taxes Payable						7,834
Decrease In Common Stock Related To Stock Option Exercises						36,575
Reduction or Incorease of Income Tax Expense Related to Stock Option Exercises						7,690
Reduction Of Deferred Tax Asset Related To Stock Option Exercises						36,718
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares)						13,800	11,575
Stock Issued During Period, Value, Share-based Compensation, Gross						96,000	95,000
Treasury Stock, Shares (in Shares)	327,362us-gaap_TreasuryStockShares	307,328us-gaap_TreasuryStockShares				327,362us-gaap_TreasuryStockShares		307,328us-gaap_TreasuryStockShares
Treasury Stock, Value	3,053,900us-gaap_TreasuryStockValue	2,914,700us-gaap_TreasuryStockValue				3,053,900us-gaap_TreasuryStockValue		2,914,700us-gaap_TreasuryStockValue
Employee Stock Option [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Stock or Unit Option Plan Expense	796,192					881,825	779,294			93,635
Excluding Tax Effect of Disqualified Dispositions [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Proceeds from Stock Options Exercised						144,352	140,404
Each Ninety Days [Member] \| Non-Employee Directors [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						25.00%
Annually [Member] \| Employees [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						25.00%
Maximum [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term						10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term						9 years 11 months
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)						$ 6.94
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)						$ 3.48
Treasury Stock Acquired, Repurchase Authorization						29,000
Minimum [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term						9 years 9 months
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)						$ 5.96	$ 7.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)						$ 2.19	$ 2.64
Treasury Stock Acquired, Repurchase Authorization						25,000
Employee Salary Deferrals or Company Contributions [Member]
Note 10 - Equity Compensation (Details) [Line Items]
Treasury Stock, Value, Acquired, Cost Method						$ 139,100	$ 149,800
Treasury Stock, Shares, Acquired (in Shares)						20,034	20,157