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Note 3 - Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

		For the Three								For the Six
		Months Ended								Months Ended
		June 30,								June 30,
		2015				2014				2015				2014
Weighted-average common shares outstanding			2,248,516				2,227,556				2,245,868				2,225,555

Average treasury stock shares			(189,530	)			(189,530	)			(189,530	)			(189,530	)

Weighted-average common shares and common stock equivalents used to calculate basic earnings per share			2,058,986				2,038,026				2,056,338				2,036,025

Additional common stock equivalents (stock options) used to calculate diluted earnings per share			9,327				6,538				9,590				6,156

Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share			2,068,313				2,044,564				2,065,928				2,042,181