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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