Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

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

		Three Months Ended
		March 31,
		2014		2013
BASIC
Weighted average number of common shares outstanding
used in computing basic earnings per share		46,699		46,021
Net income (loss) attributable to common stockholders	$	10,202	$	(1,926)
Earnings (loss) per share attributable to common stockholders	$	0.22	$	(0.04)
DILUTED
Weighted average number of common shares outstanding
used in computing basic earnings per share		46,699		46,021
Add: Assumed exercise of stock options and stock awards		1,297		-
		47,996		46,021
Net income (loss) attributable to common stockholders	$	10,202	$	(1,926)
Earnings (loss) per share attributable to common stockholders	$	0.21	$	(0.04)