STOCK COMPENSATION EXPENSE (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Earnings Per Share Basic And Diluted Before Stock Based Compensation [Table Text Block]

Net income (loss) before and after stock-based compensation is as follows:

	Three months ended
(in thousands except per share data)	March 31,
	2014		2015
Net income (loss)	$	(26,638)	$	11,647
Net income (loss) per share
Basic	$	(0.94)	$	0.29
Diluted	$	(0.94)	$	0.27
Number of shares used for computing
(weighted average)
Basic		28,312		40,207
Diluted		28,312		42,879
Stock-based compensation (ASC 718)
Cost of products and services sold		10		0
Research  and development		343		459
Selling, general and administrative		419		1,292
Total		772		1,751
Net income (loss) before stock-based compensation		(25,866)		13,398
Net income (loss) before stock-based compensation per share
Basic	$	(0.91)	$	0.33
Diluted	$	(0.91)	$	0.31