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Note 4 - Earnings Per Share (Details) - Computation of Basic and Diluted Earnings Per Share (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Note 4 - Earnings Per Share (Details) - Computation of Basic and Diluted Earnings Per Share [Line Items]
Net income (in Dollars)	$ 1,854,412	$ 1,586,321
Numerator for basic and diluted earnings per share (in Dollars)	$ 1,854,412	$ 1,586,321
Denominator for basic earnings per share – weighted-average shares	10,198,733	10,162,442
Effect of dilutive securities:
Dilutive potential common shares	40,772	31,777
Denominator for diluted earnings per share – weighted-average shares	10,239,505	10,194,219
Basic earnings per share (in Dollars per share)	$ 0.18	$ 0.16
Diluted earnings per share (in Dollars per share)	$ 0.18	$ 0.16
Employee Stock Option [Member]
Effect of dilutive securities:
Dilutive securities	39,193	31,777
Restricted Stock [Member]
Effect of dilutive securities:
Dilutive securities	1,579

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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