Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Schedule of Revenue by Geographic Areas

The Company’s revenue by geography (based on customer address) is as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2014		2013		2014
Revenues:
United States	$	26,695	$	36,465	$	51,483	$	68,870
United Kingdom		3,643		4,918		7,106		9,325
International - all other		10,332		13,592		19,518		25,800
Total revenue	$	40,670	$	54,975	$	78,107	$	103,995

Schedule of Options to Purchase Common Shares and Restricted Stock Units

The Company excluded the following options to purchase common shares and restricted stock units from the computation of diluted net (loss) income per share either because they had an anti-dilutive impact or because the Company had a net loss in the period (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2014		2013		2014
Options to purchase common shares		2,947		50		2,947		457
Restricted stock units		1,134		71		1,134		408
Total options and restricted stock units		4,081		121		4,081		865

Reconciliation of Basic and Diluted Net (Loss) Income per Share

Basic and diluted net (loss) income per share was calculated as follows (in thousands, except share and per share data):

	Three Months Ended June 30, 2013			Six Months Ended June 30, 2013
Basic and diluted net loss per share:
Net loss	$	(1,360	)	$	(7,167	)
Weighted average common shares outstanding		24,262,417			24,485,429
Basic and diluted net loss per share	$	(0.06	)	$	(0.29	)

	Three Months Ended June 30, 2014		Six Months Ended June 30, 2014
Basic:
Net income	$	1,330	$	2,334
Weighted average common shares outstanding, basic		24,425,081		24,134,686
Net income per share, basic	$	0.05	$	0.10
Diluted:
Net income	$	1,330	$	2,334
Weighted average common shares outstanding		24,425,081		24,134,686
Add: Options to purchase common shares and restricted stock units		734,259		755,044
Weighted average common shares outstanding, diluted		25,159,340		24,889,730
Net income per share, diluted	$	0.05	$	0.09