SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2015

Schedule of accumulated other comprehensive loss

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



	June 30, 2015			December 31, 2014
Foreign currency translation adjustment	$	(5,447	)	$	(5,693	)
Accumulated net unrealized loss on investments, net of tax	(443		)	(691		)
Total accumulated other comprehensive loss	$	(5,890	)	$	(6,384	)

Calculation of basic and diluted net income 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 June 30,					Six Months Ended June 30,
Numerator:	2015			2014		2015			2014
Numerator:
Net income (loss)	$	(14,966	)	$	8,249	$	(21,093	)	$	17,989
Denominator:
Denominator for basic net income (loss) per share — weighted-average outstanding shares	31,991			29,061		31,911			28,667
Effect of dilutive securities:
Stock options and restricted stock	—			425		—			496
Denominator for diluted net income (loss) per share — weighted-average outstanding shares	31,991			29,486		31,911			29,163

Net income (loss) per share — basic	$	(0.47	)	$	0.28	$	(0.66	)	$	0.63
Net income (loss) per share — diluted	$	(0.47	)	$	0.28	$	(0.66	)	$	0.62

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

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



	Three Months Ended June 30,		Six Months Ended June 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 June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Cost of revenues	$	1,339	$	1,056	$	2,709	$	2,264
Selling and marketing	1,202		674		2,184		1,775
Software development	1,446		1,241		2,716		2,688
General and administrative	4,428		3,409		8,248		7,532
Total stock-based compensation	$	8,415	$	6,380	$	15,857	$	14,259