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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of black - scholes option-pricing model valuation assumption | The calculation of the fair value of the awards using the Black - Scholes option-pricing model is affected by the Company’s stock price on the date of grant as well as assumptions regarding the following:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |
Expected volatility |  |  | 91% -142 | % |  |  | 137% - 140 | %
Expected term |  |  | 4.02 – 5.06 Years |  |  |  | 4 Years |
Risk-free interest rate |  |  | 2.56% - 2.86 | % |  |  | 1.23%-1.61 | %
Forfeiture Rate |  |  | 0.00 | % |  |  | 0.00 | %
Expected dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
Schedule of outstanding stock options | A summary of the status of the Company’s outstanding stock options as of December 31, 2018 and 2017 and changes during the period ending on that date is as follows:
|  |  |  |  |  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  | Weighted Average |  |  | Aggregate |  |  | Average |
|  | Shares |  |  | Exercise |  |  | Fair |  |  | Intrinsic |  |  | Remaining |
|  | (000’s) |  |  | Price |  |  | Value |  |  | Value |  |  | Term (Yrs) |
Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
At December 31, 2016 |  |  | 5,636 |  |  | $ | 1.04 |  |  | $ | 0.41 |  |  | $ | 7,317 |  |  |  | 5.06 |
Granted |  |  | 1,190 |  |  |  | 3.82 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,007 | ) |  |  | 0.82 |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeiture and cancelled |  |  | (217 | ) |  |  | 1.77 |  |  |  |  |  |  |  |  |  |  |  |  |
At December 31, 2017 |  |  | 4,602 |  |  |  | 1.82 |  |  |  |  |  |  | $ | 12,476 |  |  |  | 4.23 |
Granted |  |  | 1,825 |  |  |  | 5.31 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  | (784 | ) |  |  | .57 |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeiture and cancelled |  |  | (803 | ) |  |  | 3.65 |  |  |  |  |  |  |  |  |  |  |  |  |
At December 31, 2018 |  |  | 4,840 |  |  |  | 3.04 |  |  |  |  |  |  | $ | 5,338 |  |  |  | 5.05 |
Exercisable at December 31, 2018 |  |  | 3,059 |  |  |  | 2.14 |  |  |  |  |  |  |  |  |  |  |  | 3.59 |
Schedule of employee stock options outstanding | The following table summarizes information about employee stock options outstanding at December 31, 2018:
|  | Outstanding Options |  |  | Vested Options |
|  | Number |  |  |  |  |  |  |  |  | Number |  |  |  |  |  |  |
|  | Outstanding |  |  | Weighted |  |  | Weighted |  |  | Exercisable |  |  | Weighted |  |  | Weighted |
Range of |  | at |  |  | Averaged |  |  | Averaged |  |  | at |  |  | Averaged |  |  | Averaged |
Exercise |  | December 31, |  |  | Remaining |  |  | Exercise |  |  | December 31, |  |  | Exercise |  |  | Remaining |
Price |  | 2018 (000’s) |  |  | Life |  |  | Price |  |  | 2018 (000’s) |  |  | Price |  |  | Life |
$0.20 - $0.53 |  |  | 502 |  |  |  | 2.89 |  |  | $ | 0.27 |  |  |  | 502 |  |  | $ | 0.27 |  |  |  | 2.89 |
$0.65 - $1.80 |  |  | 952 |  |  |  | 1.15 |  |  | $ | 0.85 |  |  |  | 938 |  |  | $ | 0.84 |  |  |  | 1.16 |
$1.83 - $2.84 |  |  | 868 |  |  |  | 3.07 |  |  | $ | 2.09 |  |  |  | 698 |  |  | $ | 2.10 |  |  |  | 3.27 |
$3.20 - $6.20 |  |  | 2,510 |  |  |  | 7.66 |  |  | $ | 4.72 |  |  |  | 913 |  |  |  | 4.44 |  |  |  | 6.73 |
$7.20 - $22.00 |  |  | 8 |  |  |  | 0.62 |  |  | $ | 10.36 |  |  |  | 8 |  |  | $ | 10.36 |  |  |  | 0.62 |
Outstanding options |  |  | 4,840 |  |  |  | 5.05 |  |  | $ | 3.04 |  |  |  | 3,059 |  |  | $ | 2.14 |  |  |  | 3.59 |

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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=109197908&loc=d3e5070-113901 + Details
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