Share Capital (Tables)

12 Months Ended

Dec. 31, 2018

Share Based Compensation Allocation And Classification In Financial Statements [Abstract]

Schedule of Share Capital

Share capital is composed as follows:

	Issued and outstanding
	Number of shares
	December 31,
	2018		2017
Ordinary shares no par value		93,254,185		89,478,032

Schedule of Warrants to Purchase Ordinary Shares were Issued to Purchase of Convertible Preferred Shares

Significant terms of the warrants to purchase ordinary shares that were issued to purchasers of the Series D and E Convertible Preferred shares are as follows as of December 31, 2018 and 2017:

	Warrants for ordinary shares
	December 31,				Exercise price
Expiration date	2018		2017		per share
January 22, 2018		-		203,241	$	3.59
July 21, 2018		-		304,863	$	3.59
		-		508,104

In the years ended December 31, 2018 and 2017, warrants to purchase 504,225 and 1,418,711 ordinary shares, respectively, were cashlessly exercised, resulting in the issuance of 437,081 and 803,138 ordinary shares, respectively. Also, in the year ended December 31, 2018 and 2017 warrants to purchase 3,879 and 6,498 ordinary shares, respectively, with an exercise price of $3.59 per share were exercised for cash.

Schedule of Fair Value Assumptions Used for All Equity Based Awards Estimated Using Black-Scholes Option Pricing Model

The fair value of share-based awards was estimated using the Black-Scholes model for all equity grants. For market condition awards, the Company also applied the Monte-Carlo simulation model, with the following underlying assumptions:

	Year ended December 31,
	2018	2017	2016
Stock Option Plans
Expected term (years)	5.50-6.25	5.50-6.25		6.25
Expected volatility	52%-55%	57%-59%	58%-62%
Risk-free interest rate	2.70%-2.99%	1.97%-2.23%	1.23%-1.88%
Dividend yield	0.00%	0.00%	0.00%
ESPP
Expected term (years)	0.50	0.50	0.42
Expected volatility	45%-53%	76%-82%	70%
Risk-free interest rate	1.61%-2.14%	0.62%-1.13%	0.4%
Dividend yield	0.00%	0.00%	0.00%

Schedule of Stock Options to Purchase Ordinary Shares

A summary of the status of the Company’s options to purchase ordinary shares as of December 31, 2018 and changes during the year ended on that date is presented below:

	Year ended December 31, 2018
	Number of options			Weighted average exercise price		Aggregate intrinsic value
Outstanding at beginning of year		14,806,027		$	10.64
Granted		2,520,502		$	23.73
Exercised		(2,693,236	)	$	6.89
Forfeited and cancelled		(195,078	)	$	15.09
Outstanding at end of year		14,438,215		$	13.56	$	287,706
Exercisable options		6,090,628		$	11.04	$	136,695

Schedule of RSUs

A summary of the status of the Company’s RSUs as of December 31, 2018 and changes during the year ended on that date is presented below:

	Year ended December 31, 2018
	Number of RSUs			Weighted average grant date fair value price		Aggregate intrinsic value
Unvested at beginning of year	$	1,651,219		$	9.66
Granted		535,220			23.32
Vested		(556,563	)		9.90
Forfeited and cancelled		(16,679	)		15.79
Unvested at end of year		1,613,197		$	14.04	$	54,010

Schedule of Equity-Based Compensation Expenses Related to Company's Equity-Based Awards

The total equity-based compensation expense related to all of the Company’s equity-based awards recognized for the years ended December 31, 2018, 2017 and 2016, was comprised as follows:

	Year ended December 31,
	2018		2017		2016
Cost of revenues	$	1,261	$	467	$	623
Research, development and clinical trials		4,709		3,587		3,155
Sales and marketing		7,393		3,784		5,111
General and administrative		26,483		19,278		12,552
Total share-based compensation expense	$	39,846	$	27,116	$	21,441

Schedule of Stock Option Outstanding

The options outstanding as of December 31, 2018 are as follows:

Exercise price	Number of options outstanding		Weighted average remaining contractual term		Number of options exercisable		Weighted average remaining contractual term
$			(years)				(years)
0.23 - 1.00		46,045		1.28		46,045		1.28
1.01 - 7.00		1,741,728		3.43		1,664,228		3.23
7.01 - 11.00		3,358,859		7.16		1,477,492		5.91
11.01 - 16.00		4,725,204		7.43		1,745,554		6.76
16.01 - 20.00		298,637		8.57		71,502		8.57
20.01 - 27.50		3,661,651		8.57		1,073,462		6.98
27.51 - 35.00		606,091		9.53		12,345		9.42
		14,438,215		7.27		6,090,628		5.61