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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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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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-Publisher FASB

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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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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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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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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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- Definition

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

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Note 13 - Stock Option Plan (Details) (USD $)	12 Months Ended		204 Months Ended	120 Months Ended
Note 13 - Stock Option Plan (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2012
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	20,000	20,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	20,050	29,825
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	88,375	115,800	88,375	88,375	128,225
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars)	$ 65,000		65,000	65,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	25 months
Employee Stock Option [Member] \| Minimum [Member] \| The 1998 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	6 months
Employee Stock Option [Member] \| Maximum [Member] \| The 1998 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Employee Stock Option [Member] \| The 1998 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Employee Stock Option [Member] \| The 2005 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
The 1998 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	220,500		220,500	220,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			225,058
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period			48,194
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			164,814
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	12,050		12,050	12,050
The 2005 Plan [Member]
Note 13 - Stock Option Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	200,000		200,000	200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				163,200
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period				54,625
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				32,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	76,325		76,325	76,325