SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2016

Schedule of accumulated other comprehensive loss

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



	September 30, 2016			December 31, 2015
Foreign currency translation adjustment	$	(10,213	)	$	(7,159	)
Accumulated net unrealized loss on investments, net of tax	(160		)	(435		)
Total accumulated other comprehensive loss	$	(10,373	)	$	(7,594	)

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:	2016		2015			2016		2015
Numerator:
Net income (loss)	$	23,201	$	(5,362	)	$	55,498	$	(26,455	)
Denominator:
Denominator for basic net income (loss) per share — weighted-average outstanding shares	32,186		31,980			32,152		31,934
Effect of dilutive securities:
Stock options and restricted stock	254		—			271		—
Denominator for diluted net income (loss) per share — weighted-average outstanding shares	32,440		31,980			32,423		31,934

Net income (loss) per share — basic	$	0.72	$	(0.17	)	$	1.73	$	(0.83	)
Net income (loss) per share — diluted	$	0.72	$	(0.17	)	$	1.71	$	(0.83	)

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,
	2016	2015	2016	2015
Performance-based restricted stock awards	72	55	72	55
Service-based restricted stock units	1	1	1	1
Total shares excluded from computation	73	56	73	56

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,
	2016		2015		2016		2015
Cost of revenues	$	1,396	$	1,533	$	4,209	$	4,242
Selling and marketing	1,676		1,411		4,920		3,595
Software development	1,684		1,602		4,902		4,318
General and administrative	4,555		4,766		12,950		13,014
Total stock-based compensation	$	9,311	$	9,312	$	26,981	$	25,169