Note 5 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Net income	$	521,414	$	1,000,350	$	2,780,411	$	4,342,262
Numerator for basic and diluted earnings per share		521,414		1,000,350		2,780,411		4,342,262
Denominator for basic EPS: weighted-average shares		9,270,862		9,188,483		9,232,397		9,341,364
Effect of dilutive securities:
Stock options		-		16,933		9,810		17,279
Restricted stock		3,088		966		3,859		762
Dilutive potential common shares		3,088		17,899		13,669		18,041
Denominator for diluted EPS-weighted-average shares		9,273,950		9,206,382		9,246,066		9,359,405
Basic earnings per share	$	0.06	$	0.11	$	0.30	$	0.46
Diluted earnings per share	$	0.06	$	0.11	$	0.30	$	0.46