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

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 3 - Stock-based Compensation (Details Textual) - USD ($)	1 Months Ended		6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Jun. 30, 2015	Jun. 30, 2014
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	9,343	9,375
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Senior Vice President [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	9,343	9,375
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Independent Director 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,613	1,619
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Independent Director 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,613	1,619
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Independent Director 4 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,613	1,619
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Executive Officers, Non-employee Directors and Other Key Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			300,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years	4 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	4 years	4 years
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	9,343	9,375
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Independent Director 1 Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	1,613	1,619
Restricted Stock Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
2007 Director Non-Qualified Stock Option Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			34,484	34,601
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized			$ 484,401	$ 280,960
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			4 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized			$ 484,401	$ 280,960
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			0	0
Allocated Share-based Compensation Expense			$ 0	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized			0	0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized			$ 0	$ 0