Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues	$ 25,407	$ 20,665
Cost of revenues	7,670	6,614
Gross profit	17,737	14,051
Operating expenses:
Research and development	6,927	6,542
Sales and marketing	6,960	5,471
General and administrative	3,110	2,895
Amortization of intangible assets	797	454
Total operating expenses	17,794	15,362
Loss from operations	(57)	(1,311)
Other (expense) income:
Interest income	6	20
Other (expense) income, net	(9)	(26)
Total other (expense) income, net	(3)	(6)
Loss before income taxes	(60)	(1,317)
Income tax benefit	126	705
Net income (loss)	66	(612)
Other comprehensive loss:
Foreign currency translation adjustments	(757)	(324)
Comprehensive loss	$ (691)	$ (936)
Net income (loss) per share:
Basic	$ 0.00	$ (0.03)
Diluted	$ 0.00	$ (0.03)
Weighted average shares outstanding used in computing per share amounts:
Basic	23,908	22,564
Diluted	24,499	22,564