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STOCK OPTIONS (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Summary of Stock Options And Stock Awards | The status of the Company’s stock options is summarized as follows:
| Number of options |  | Weighted average exercise price
Outstanding at December 31, 2019 | 3,966,858 |  |  | $ | 4.67 |
Granted | 1,376,900 |  |  | 7.94 |
Exercised | (112,965) |  |  | 3.37 |
Canceled and forfeited | (291,850) |  |  | 7.19 |
Outstanding at December 31, 2020 | 4,938,943 |  |  | $ | 5.46 |
Granted | 894,980 |  |  | 9.37 |
Exercised | (232,521) |  |  | 6.65 |
Canceled and forfeited | (203,711) |  |  | 8.27 |
Outstanding at December 31, 2021 | 5,397,691 |  |  | $ | 5.95 |
Number of Weighted Average Grant-Date Fair Values of Options |
| Number of options |  | Weighted average grant date fair value
Non-vested at December 31, 2020 | 2,044,469 |  |  | $ | 4.61 |
Granted | 894,980 |  |  | 5.76 |
Vested | (952,332) |  |  | 4.49 |
Forfeited | (184,901) |  |  | 5.21 |
Non-vested at December 31, 2021 | 1,802,216 |  |  | $ | 5.21 |
Schedule of Option Fair Value Assumptions | Inputs used in the valuation models are as follows:
| 2021 Grants |  | 2020 Grants |  |
Option value | $9.29 | - | $11.51 |  | $4.98 | - | $8.18 |  |  |  |
Risk-free rate | 0.6% | - | 0.8% |  | 0.3% | - | 1.7% |  |  |  |
Expected dividend yield | —% |  | —% |  |
Expected volatility | 68.9% | - | 70.8% |  | 65.9% | - | 70.1% |  |  |  |
Expected term (in years) | 4.5 | - | 6 |  | 6

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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=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
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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=120381028&loc=d3e5070-113901 + Details
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