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Note 7 - Income Per Share (Details) - Computation of Income (Loss) Per Share - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Note 7 - Income Per Share (Details) - Computation of Income (Loss) Per Share [Line Items]
Net Income	$ 653,000	$ 289,000
Basic Earnings Per Share - Weighted Average Common Shares Outstanding	3,956,207	3,871,849
Basic Earnings Per Share - Amount	$ 0.17	$ 0.07
Effect of Dilutive Securities
Diluted Earnings Per Share - Weighted Average Common Shares Outstanding	3,988,686	3,889,744
Diluted Earnings Per Share - Amount	$ 0.16	$ 0.07
Restricted Stock [Member]
Effect of Dilutive Securities
Net Income
Non-vested Restricted Stock Grants - Weighted Average Common Shares Outstanding	32,479	17,895
Non-vested Restricted Stock Grants - Amount

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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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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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