Stockholders' Equity (Deficiency) (Tables)

3 Months Ended

Mar. 31, 2014

Summary of Stock Options Activities

A summary of employees’ stock options activities during the period ended March 31, 2014 is as follows:

	Period ended March 31, 2014 (unaudited)
	Number			Average exercise price		Aggregate intrinsic value (in thousands)		Average remaining contractual life (years)
Options outstanding at the beginning of the year		3,233,235		$	4.033	$	65,723		5.700
Granted		214,650		$	39.860
Exercised		(10,875	)	$	1.282
Forfeited		(8,752	)	$	12.845
Options outstanding at the end of the period		3,428,258		$	6.264	$	102,001		5.729
Vested and expected to vest		3,378,232		$	6.034	$	101,244		5.676
Options exercisable at the end of the period		2,581,849		$	1.582	$	88,242		4.602

Options Outstanding Separated into Range of Exercise Price

b. The options outstanding as of March 31, 2014 (unaudited) have been separated into ranges of exercise price as follows:

Range of exercise price	Options outstanding as of March 31, 2014		Weighted average remaining contractual life (years)		Weighted average exercise price		Options exercisable as of March 31, 2014		Weighted average remaining contractual life (years)		Weighted average exercise price of options exercisable
$0.070-0.901		758,047		3.120	$	0.744		758,047		3.120	$	0.744
$1.039-1.576		1,672,067		4.959	$	1.260		1,657,236		4.946	$	1.257
$6.230-8.800		182,773		7.628	$	6.709		112,294		7.544	$	6.775
$12.470		439,971		8.927	$	12.470		54,272		8.709	$	12.470
$21.14-24.23		160,750		9.440	$	21.991		—		—	$	—
$39.86		214,650		9.981	$	39.860		—		—	$	—
		3,428,258		5.729	$	6.264		2,581,849		4.602	$	1.582

Summary of Weighted Average Assumptions Used to Estimate Fair Value of Stock Option Grants

c. The fair value of stock option grants for the period ended March 31, 2014 was estimated using the following weighted average assumptions:

	Period ended March 31, 2014
	Unaudited
Expected dividend yield		0	%
Expected volatility		60	%
Risk-free interest rate		2.30	%
Expected term (years)		6.25

Summary of Recognized Non-Cash Stock-Based Compensation Expense

The Company recognized non-cash stock-based compensation expense in the consolidated statements of operations as follows (in thousands):

	Three Months Ended March 31,
	2014		2013
	(unaudited)
	(In thousands)
Cost of revenues	$	20	$	6
Research and development		199		59
Sales and marketing		340		66
General and administrative		87		63
Total	$	646	$	194

Consultants [Member]

Summary of Stock Options Activities

The Company’s outstanding options granted to consultants for sales and pre-marketing services as of March 31, 2014 (unaudited) were as follows:

	Options for shares of common stock		Exercise price per share		Options exercisable		Exercisable through
	(number)				(number)
December 2006		40,090	$	0.901		40,090	December 2016
May 2012		687	$	6.800		687	May 2022
February 2013		4,000	$	12.470		1,083	February 2023
August 2013		5,000	$	21.140		—	August 2023
October 2013		1,250	$	24.230		—	October 2023
March 2014		18,850	$	39.860		—	March 2024
		69,877				41,860