SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Schedule of accumulated other comprehensive loss

The components of accumulated other comprehensive loss were as follows (in thousands):

	September 30, 2015			December 31, 2014
Foreign currency translation adjustment	$	(6,412	)	$	(5,693	)
Accumulated net unrealized loss on investments, net of tax	(435		)	(691		)
Total accumulated other comprehensive loss	$	(6,847	)	$	(6,384	)

Calculation of basic and diluted net income (loss) per share

The following table sets forth the calculation of basic and diluted net income (loss) per share (in thousands, except per share data):

	Three Months Ended September 30,					Nine Months Ended September 30,
Numerator:	2015			2014		2015			2014
Net income (loss)	$	(5,362	)	$	12,957	$	(26,455	)	$	30,946
Denominator:
Denominator for basic net income (loss) per share — weighted-average outstanding shares	31,980			31,742		31,934			29,692
Effect of dilutive securities:
Stock options and restricted stock	—			333		—			442
Denominator for diluted net income (loss) per share — weighted-average outstanding shares	31,980			32,075		31,934			30,134
Net income (loss) per share — basic	$	(0.17	)	$	0.41	$	(0.83	)	$	1.04
Net income (loss) per share — diluted	$	(0.17	)	$	0.40	$	(0.83	)	$	1.03

Schedule of anti-dilutive securities excluded from computation of earnings per share

The following table summarizes the shares underlying the performance-based restricted stock awards and service-based restricted stock units excluded from the basic and diluted calculation (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2015	2014	2015	2014
Performance-based restricted stock awards	55	23	55	23
Service-based restricted stock units	1	1	1	1
Total shares excluded from computation	56	24	56	24

Stock-based compensation expense for stock options and restricted stock

Stock-based compensation expense for stock options and restricted stock issued under equity incentive plans and stock purchases under the ESPP included in the Company’s results of operations were as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Cost of revenues	$	1,533	$	1,067	$	4,242	$	3,331
Selling and marketing	1,411		954		3,595		2,729
Software development	1,602		1,179		4,318		3,867
General and administrative	4,766		3,447		13,014		10,979
Total stock-based compensation	$	9,312	$	6,647	$	25,169	$	20,906