Note 4 - Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Weighted average number of common shares outstanding - basic		3,283,177		3,239,306		3,283,177		3,239,306
Effect of dilutive securities		101,131		50,373		97,001		46,196
Weighted average number of common shares and potential common shares - diluted		3,384,308		3,289,679		3,380,178		3,285,502
Net income	$	1,125	$	1,850	$	4,199	$	5,640
Net income per common share - basic	$	0.34	$	0.57	$	1.28	$	1.74
Net income per common share - diluted	$	0.33	$	0.56	$	1.24	$	1.72