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SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Summary of Stock Options Granted |
The following table summarizes the activities for the Company’s stock options for the year ended December 31, 2019:
|  | Year ended December 31, 2019 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual term (in years) |  |  | Aggregate intrinsic value |
Outstanding at beginning of year |  |  | 6,751,606 |  |  | $ | 3.99 |  |  |  | 3.47 |  |  | $ | 7,937 |
Granted |  |  | 1,435,333 |  |  |  | 2.46 |  |  |  |  |  |  |  |  |
Exercised |  |  | (422,311 | ) |  |  | 1.42 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (689,028 | ) |  |  | 5.97 |  |  |  |  |  |  |  |  |
Outstanding at end of the year |  |  | 7,075,600 |  |  | $ | 3.64 |  |  |  | 3.30 |  |  | $ | 1,366 |
Options exercisable at end of the year |  |  | 4,568,753 |  |  | $ | 4.25 |  |  |  | 2.42 |  |  | $ | 1,242 |
Vested and expected to vest |  |  | 6,635,385 |  |  | $ | 3.77 |  |  |  | 3.17 |  |  | $ | 1,362 |
Schedule of RSUs Granted | The following table summarizes the activities for the Company’s RSUs for the year ended December 31, 2019:
|  | Year ended December 31, 2019 |
|  | Number of RSUs |  |  | Aggregate intrinsic value |
Unvested at beginning of year |  |  | 376,811 |  |  | $ | 1,424 |
Granted |  |  | 182,874 |  |  |  |  |
Vested |  |  | (152,393 | ) |  |  |  |
Forfeited |  |  | (33,669 | ) |  |  |  |
Unvested at end of the year |  |  | 373,623 |  |  |  | 785 |
Vested and expected to vest |  |  | 280,061 |  |  |  | 588 |
Summary of Stock Options And RSUs Granted Separated Into Ranges of Exercise Price | The following is a summary of the Company's stock options and RSUs granted separated into ranges of exercise price:
Exercise price (range) |  |  | Options and RSUs outstanding as of December 31, 2019 |  |  | Weighted average remaining contractual life (years) for outstanding options |  |  | Weighted average exercise price |  |  | Options and RSUs exercisable as of December 31, 2019 |  |  | Weighted average remaining contractual life (years) for exercisable options |  |  | Weighted average exercise price |
$ |  |  |  |  |  |  |  |  | $ |  |  |  |  |  |  |  |  | $ |
RSUs 0.0 |  |  |  | 373,623 |  |  |  | - |  |  |  | 0.00 |  |  |  | - |  |  |  | - |  |  |  | 0.00 |
0.01-2.00 |  |  |  | 1,520,110 |  |  |  | 1.73 |  |  |  | 1.21 |  |  |  | 1,362,569 |  |  |  | 1.61 |  |  |  | 1.20 |
2.01-4.00 |  |  |  | 4,159,085 |  |  |  | 4.31 |  |  |  | 2.73 |  |  |  | 1,905,266 |  |  |  | 3.45 |  |  |  | 2.70 |
4.01-6.00 |  |  |  | 325,321 |  |  |  | 3.62 |  |  |  | 4.59 |  |  |  | 229,834 |  |  |  | 2.98 |  |  |  | 4.75 |
6.01-8.00 |  |  |  | 31,000 |  |  |  | 2.72 |  |  |  | 6.50 |  |  |  | 31,000 |  |  |  | 2.72 |  |  |  | 6.50 |
8.01-10.00 |  |  |  | 459,334 |  |  |  | 2.19 |  |  |  | 8.99 |  |  |  | 459,334 |  |  |  | 2.19 |  |  |  | 8.99 |
10.01-13.04 |  |  |  | 580,750 |  |  |  | 0.90 |  |  |  | 12.40 |  |  |  | 580,750 |  |  |  | 0.90 |  |  |  | 12.40 |
|  |  |  | 7,449,223 |  |  |  |  |  |  |  |  |  |  |  | 4,568,753 |  |  |  |  |  |  |  |  |
Schedule of Equity-Based Compensation Expense | The total equity-based compensation expense related to all of the Company's equity-based awards, recognized for the years ended December 31, 2017, 2018 and 2019, was comprised as follows:
|  | Year ended December 31, |
|  | 2017 |  |  | 2018 |  |  | 2019 |
Cost of revenues |  | $ | 54 |  |  | $ | 42 |  |  | $ | 71 |
Research and development |  |  | 229 |  |  |  | 313 |  |  |  | 366 |
Selling and marketing |  |  | 292 |  |  |  | 640 |  |  |  | 708 |
General and administrative |  |  | 628 |  |  |  | 985 |  |  |  | 908 |
Total share-based compensation expenses |  | $ | 1,203 |  |  | $ | 1,980 |  |  | $ | 2,053 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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=116856206&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=116856206&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI http://asc.fasb.org/extlink&oid=116856206&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=116856206&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=116856206&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=116856206&loc=d3e5070-113901 + Details
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