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Stockholders' Equity (Deficiency) (Tables)

9 Months Ended

Sep. 30, 2014

Summary of Stock Options Activities

A summary of employees’ stock options activities during the nine months ended September 30, 2014 is as follows:

		Nine Months Ended September 30, 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			838,940			$	26.189
Exercised			(94,674	)		$	2.369
Forfeited			(40,530	)		$	18.360
Options outstanding at the end of the period			3,936,971			$	8.647			$	56,768				5.975
Vested and expected to vest			3,839,163			$	8.287			$	56,523				5.889
Options exercisable at the end of the period			2,674,799			$	2.284			$	53,004				4.428

Options Outstanding Separated into Range of Exercise Price

b. The options outstanding as of September 30, 2014 (unaudited) have been separated into ranges of exercise price as follows:

Range of exercise price		Options outstanding as of September 30, 2014				Weighted average remaining contractual life (years)				Weighted average exercise price				Options exercisable as of September 30, 2014				Weighted average remaining contractual life (years)				Weighted average exercise price of options exercisable
$ 0.070 - 0.901			693,467				2.682			$	0.752				693,467				2.682			$	0.752
$ 1.039 - 1.576			1,669,345				4.495			$	1.260				1,665,478				4.492			$	1.259
$ 6.230 - 8.800			174,596				7.138			$	6.723				125,290				7.063			$	6.756
$12.470			415,711				8.425			$	12.470				159,613				8.398			$	12.470
$21.14 - 24.23			774,902				9.586			$	21.591				30,951				8.953			$	21.131
$39.86			208,950				9.479			$	39.860				—				—			$	—
			3,936,971				5.975			$	8.647				2,674,799				4.428			$	2.284

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 September 30, 2014 was estimated using the following weighted average assumptions:

		Period Ended September 30, 2014
		Unaudited
Expected dividend yield			0	%
Expected volatility			60	%
Risk-free interest rate			2.22	%
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 September 30,								Nine Months Ended September 30,
		2014				2013				2014				2013
		(unaudited) (In thousands)								(unaudited) (In thousands)
Cost of revenues		$	55			$	9			$	121			$	20
Research and development			319				151				790				336
Sales and marketing			614				252				1,473				517
General and administrative			226				98				454				253
Total		$	1,214			$	510			$	2,838			$	1,126

Summary of Restricted Stock Unit Activity

The following provides a summary of the restricted stock unit activity for the Company for the nine months ended September 30, 2014:

		Number of Shares Underlying Outstanding Restricted Stock Units				Weighted- Average Grant Date Fair Value				Average Intrinsic Value
Outstanding as of January 1, 2014			—			$	—
Granted			31,905			$	21.00
Vested			(1,770	)		$	21.00
Forfeited			—			$	—
Unvested as of September 30, 2014			30,135			$	21.00			$	3

Consultants [Member]

Summary of Stock Options Activities

The Company’s outstanding options granted to consultants for sales and pre-marketing services as of September 30, 2014 (unaudited) were as follows:

		Options for shares of common stock				Exercise price per share				Options exercisable				Exercisable through
		(number)								(number)
December 2006			15,000			$	0.901				15,000			December 2016
February 2013			4,000			$	12.470				1,581			February 2023
August 2013			5,000			$	21.140				1,351			August 2023
October 2013			1,250			$	24.230				—			October 2023
March 2014			17,050			$	39.860				—			March 2024
May 2014			8,700			$	22.010				—			May 2024
August 2014			36,250			$	21.000				—			August 2024
			87,250								17,932

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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