Note 3 - Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

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

	Three months ended March 31,
	2016			2015
	(Unaudited)
Net income (loss)	$	(2,913	)	$	773
Earnings (loss) per share:
Basic	$	(0.13	)	$	0.03
Diluted	$	(0.13	)	$	0.03
Weighted average number of shares of common stock outstanding during the period used to compute basic net earnings (loss) per share (in thousands)		21,711			22,167
Incremental shares attributable to exercise of outstanding options, stock appreciation rights and restricted stock units (assuming proceeds would be used to purchase treasury stock) (in thousands)		-			1,718
Weighted average number of shares of common stock used to compute diluted net earnings (loss) per share (in thousands)		21,711			23,885