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Share Capital (Tables) | 9 Months Ended
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Sep. 30, 2019
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] |
Schedule of Stock Option Plans | A summary of the status of the Company’s option plans as of September 30, 2019 and changes during the period then ended is presented below:
| Nine months ended September 30, 2019 |  |
| Unaudited |  |
| Number of options |  | Weighted average exercise price
Outstanding at beginning of year | 14,438,215 |  |  | $ | 13.56 |
Granted | 1,496,161 |  |  | 49.43 |
Exercised | (4,914,918) |  |  | 10.55 |
Forfeited and canceled | (144,403) |  |  | 19.91 |
Outstanding as of September 30, 2019 | 10,875,055 |  |  | $ | 19.77 |
Exercisable options | 3,444,478 |  |  | $ | 14.61 |
Schedule of RSU's | A summary of the status of the Company’s RSUs as of September 30, 2019 and changes during the period then ended is presented below:
| Nine months ended September 30, 2019 |  |
| Unaudited |  |
| Number of RSUs |  | Weighted average grant date fair value price
Unvested at beginning of year | 1,613,197 |  |  | 14.04 |
Granted | 597,583 |  |  | 50.71 |
Vested | (736,411) |  |  | 13.36 |
Forfeited and cancelled | (24,356) |  |  | 34.32 |
Unvested as of September 30, 2019 | 1,450,013 |  |  | 29.16 |
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. We assessed fair value using the following underlying assumptions:
| Nine months ended September 30, |  |  |  | Year ended December 31, 2018
| 2019 |  | 2018 |  |
| Unaudited |  |  |  | Audited
Stock Option Plans |  |  |  |  |
Expected term (years) | 5.50-6.50 |  | 5.50-6.25 |  | 5.50-6.25
Expected volatility | 55%-61% |  | 52%-55% |  | 52%-55%
Risk-free interest rate | 1.90%-2.40% |  | 2.70%-2.89% |  | 2.70%-2.99%
Dividend yield | 0.00 | % |  | 0.00 | % |  | 0.00 | %
ESPP |  |  |  |  |
Expected term (years) | 0.50 |  | 0.50 |  | 0.50
Expected volatility | 44%-62% |  | 45%-53% |  | 45%-53%
Risk-free interest rate | 2.10%-2.51% |  | 1.61%-2.14% |  | 1.61%-2.14%
Dividend yield | 0.00 | % |  | 0.00 | % |  | 0.00 | %
Schedule of Non-cash Share-based Compensation Expense Related to Company's Equity-Based Awards | The total non-cash share-based compensation expense related to all of the Company’s equity-based awards recognized for the three and nine months ended September 30, 2019 and 2018 and the year ended December 31, 2018 was:
| Three months ended September 30, |  |  |  | Nine months ended September 30, |  |  |  | Year ended December 31, 2018
| 2019 |  | 2018 |  | 2019 |  | 2018 |  |
| Unaudited |  |  |  | Unaudited |  |  |  | Audited
Cost of revenues | $ | 605 |  |  | $ | 464 |  |  | $ | 1,626 |  |  | $ | 891 |  |  | $ | 1,261 |
Research, development and clinical trials | 2,202 |  |  | 1,223 |  |  | 5,203 |  |  | 3,415 |  |  | 4,709 |
Sales and marketing | 3,368 |  |  | 1,979 |  |  | 8,585 |  |  | 5,309 |  |  | 7,393 |
General and administrative | 8,163 |  |  | 6,813 |  |  | 22,305 |  |  | 19,590 |  |  | 26,483 |
Total share-based compensation expense | $ | 14,338 |  |  | $ | 10,479 |  |  | $ | 37,719 |  |  | $ | 29,205 |  |  | $ | 39,846 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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