Note 6 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

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

	Three Months					Nine Months
	Ended September 30,					Ended September 30,
	2018			2017		2018			2017
Numerator:
Net income (loss)	$	(2,082	)	$	590	$	(4,602	)	$	1,297
Denominator:
Basic weighted-average common shares outstanding		32,184			32,078		32,105			32,060
Effect of dilutive options and restricted stock		-			891		-			1,257
Diluted weighted average shares outstanding		32,184			32,969		32,105			33,317
Net income (loss) per share - Basic	$	(0.06	)	$	0.02	$	(0.14	)	$	0.04
Net income (loss) per share - Diluted	$	(0.06	)	$	0.02	$	(0.14	)	$	0.04

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months				Nine Months
	Ended September 30,				Ended September 30,
	2018		2017		2018		2017
Outstanding stock options		-		211		-		109
Nonvested restricted stock units		-		15		-		12
Employee Stock Purchase Plan		-		68		-		42
Total		-		294		-		163