XML 52 R37.htm IDEA: XBRL DOCUMENT
v3.20.4

SHAREHOLDERS' EQUITY (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Stockholders' Equity Note [Abstract] |
Schedule of Stock Option Activity | A summary of the Company's stock option activity, pertaining to its option plans for employees and related information is as follows:
|  | Year ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |  |
|  | Number of shares upon exercise |  |  | Weighted average exercise price |  |  | Number of shares upon exercise |  |  | Weighted average exercise price |  |  | Number of shares upon exercise |  |  | Weighted average exercise price |  |
Outstanding at beginning of year |  |  | 1,453,741 |  |  | $ | 7.59 |  |  |  | 1,736,143 |  |  | $ | 7.26 |  |  |  | 2,189,297 |  |  | $ | 7.63 |  |
Granted |  |  | - |  |  | $ | - |  |  |  | - |  |  | $ | - |  |  |  | 62,200 |  |  | $ | 5.91 |  |
Forfeited |  |  | (28,657 | ) |  | $ | 17.47 |  |  |  | (59,107 | ) |  | $ | 10.05 |  |  |  | (414,617 | ) |  | $ | 9.79 |  |
Exercised |  |  | (290,828 | ) |  | $ | 6.25 |  |  |  | (223,295 | ) |  | $ | 4.36 |  |  |  | (100,737 | ) |  | $ | 4.07 |  |
Outstanding at end of year |  |  | 1,134,256 |  |  | $ | 7.68 |  |  |  | 1,453,741 |  |  | $ | 7.59 |  |  |  | 1,736,143 |  |  | $ | 7.26 |  |
Exercisable at end of year |  |  | 1,065,498 |  |  | $ | 7.83 |  |  |  | 1,240,005 |  |  | $ | 8.01 |  |  |  | 1,281,665 |  |  | $ | 8.02 |  |
Vested and expected to vest |  |  | 1,132,007 |  |  | $ | 7.68 |  |  |  | 1,442,990 |  |  | $ | 7.61 |  |  |  | 1,464,802 |  |  | $ | 7.65 |  |
Schedule of Stock Options Outstanding | The options outstanding as of December 31, 2020, have been classified by exercise price, as follows:
Exercise price |  |  | Shares upon exercise of options outstanding as of December 31, 2020 |  |  | Weighted average remaining contractual life |  |  | Shares upon exercise of options exercisable as of December 31, 2020 |
|  |  |  |  |  | Years |  |  |  |
$ | 23.31-27.58 |  |  |  | 49,500 |  |  |  | 1.66 |  |  |  | 49,500 |
$ | 15.2-17.07 |  |  |  | 46,936 |  |  |  | 1.02 |  |  |  | 46,936 |
$ | 10.0 -14.68 |  |  |  | 140,150 |  |  |  | 2.74 |  |  |  | 140,150 |
$ | 5.01-9.7 |  |  |  | 360,605 |  |  |  | 2.27 |  |  |  | 319,253 |
$ | 0.1-4.95 |  |  |  | 537,065 |  |  |  | 3.16 |  |  |  | 509,659 |
|  |  |  |  | 1,134,256 |  |  |  |  |  |  |  | 1,065,498 |
Summary of Restricted Stock Unit Activity | The following provides a summary of the restricted stock unit activity for the Company for the two years ended December 31, 2020:
|  | Year ended December 31, |
|  | 2020 |  |  | 2019 |
|  | Number of shares upon exercise |  |  | Weighted average share price |  |  | Number of shares upon exercise |  |  | Weighted average share price |
Outstanding at beginning of year |  |  | 1,652,060 |  |  | $ | 6.53 |  |  |  | 1,252,031 |  |  | $ | 5.45 |
Granted |  |  | 869,250 |  |  | $ | 10.96 |  |  |  | 1,001,000 |  |  | $ | 7.53 |
Vested |  |  | (570,000 | ) |  | $ | 10.69 |  |  |  | (401,904 | ) |  | $ | 7.53 |
Forfeited |  |  | (188,293 | ) |  | $ | 10.01 |  |  |  | (199,067 | ) |  | $ | 7.61 |
Unvested at end of year |  |  | 1,763,017 |  |  | $ | 8.63 |  |  |  | 1,652,060 |  |  | $ | 6.53 |

X
- 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=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=120381028&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=120381028&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=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration