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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED | We used the following weighted-average assumptions to estimate the grant date fair value of the stock options granted for the years indicated: SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED
|  | For the years ended December 31, |
|  | 2021 |  |  | 2020 |
Expected volatility |  |  | 96 | % |  |  | 110 | %
Expected term |  |  | 6.0 years |  |  |  | 6.2 years |
Risk-free interest rate |  |  | 1.01 | % |  |  | 0.30 | %
Expected dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
2015 Equity Incentive Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
SCHEDULE OF OPTIONS ACTIVITY | Summarized stock option information for the 2015 Equity Incentive Plan is as follows: SCHEDULE OF OPTIONS ACTIVITY
|  | Options |  |  | Weighted- average exercise price |
Outstanding options at January 1, 2020 |  |  | 5,795,395 |  |  | $ | 7.96 |
Granted, fair value of $1.88 per share |  |  | 2,645,146 |  |  | $ | 2.26 |
Exercised |  |  | (77,560 | ) |  |  | 2.28 |
Expired/forfeited |  |  | (2,802,242 | ) |  |  | 6.52 |
Outstanding options at December 31, 2020 |  |  | 5,560,739 |  |  | $ | 2.21 |
Granted, fair value of $1.36 per share |  |  | 4,877,308 |  |  | $ | 1.75 |
Exercised |  |  | (630,675 | ) |  |  | 1.32 |
Expired/forfeited |  |  | (1,952,521 | ) |  |  | 4.07 |
Outstanding options at December 31, 2021 |  |  | 7,854,851 |  |  | $ | 1.54 |
Non-vested options at December 31, 2020 |  |  | 2,507,203 |  |  | $ | 1.29 |
Non-vested options at December 31, 2021 |  |  | 4,720,304 |  |  | $ | 1.64 |
SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE | Further information regarding options outstanding under the 2015 Equity Incentive Plan as of December 31, 2021 is summarized below: SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE
|  |  |  |  |  |  |  |  | Weighted-average |  |  |  |  |  | Weighted-average |
Range of exercise prices |  |  | Number of options outstanding |  |  | Remaining life in years |  |  | Exercise price |  |  | Number of options exercisable |  |  | Remaining life in years |  |  | Exercise price |
$ | 0.34 |  |  | $ | 0.91 |  |  |  | 494,000 |  |  |  | 9.8 |  |  | $ | 0.84 |  |  |  | - |  |  |  | - |  |  | $ | - |
| 1.02 |  |  |  | 1.88 |  |  |  | 5,576,851 |  |  |  | 7.0 |  |  |  | 1.30 |  |  |  | 3,069,547 |  |  |  | 5.2 |  |  |  | 1.27 |
| 2.18 |  |  |  | 2.34 |  |  |  | 1,719,000 |  |  |  | 9.2 |  |  |  | 2.29 |  |  |  | - |  |  |  | - |  |  |  | - |
| 6.59 |  |  |  | 7.34 |  |  |  | 65,000 |  |  |  | 3.7 |  |  |  | 7.28 |  |  |  | 65,000 |  |  |  | 3.7 |  |  |  | 7.28 |
|  |  |  |  |  |  |  |  | 7,854,851 |  |  |  |  |  |  |  |  |  |  |  | 3,134,547 |  |  |  |  |  |  |  |  |
SCHEDULE OF RESTRICTED COMMON STOCK ACTIVITY | Restricted Common Stock: Summarized stock option information for the 2015 Equity Incentive Plan is as follows: SCHEDULE OF RESTRICTED COMMON STOCK ACTIVITY
|  | Restricted common stock awards |  |  | Weighted- average grant date fair value |
Outstanding awards at January 1, 2020 |  |  | 354,625 |  |  | $ | 3.14 |
Granted |  |  | 5,290,312 |  |  | $ | 1.75 |
Vested |  |  | (817,054 | ) |  |  | 2.26 |
Forfeited |  |  | (1,875,384 | ) |  |  | 1.75 |
Outstanding awards at December 31, 2020 |  |  | 2,952,499 |  |  | $ | 1.78 |
Granted |  |  | 2,890,668 |  |  | $ | 1.72 |
Vested |  |  | (2,592,259 | ) |  |  | 1.55 |
Forfeited |  |  | (819,393 | ) |  |  | 2.02 |
Outstanding awards at December 31, 2021 |  |  | 2,431,515 |  |  | $ | 1.86 |
2005 Equity Incentive Plan [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
SCHEDULE OF OPTIONS ACTIVITY | Summarized information for the 2005 Equity Incentive Plan is as follows: SCHEDULE OF OPTIONS ACTIVITY
|  | Options |  |  | Weighted- average exercise price |
Outstanding options at January 1, 2020 |  |  | 260,000 |  |  | $ | 12.94 |
Expired/forfeited |  |  | (135,200 | ) |  |  | 6.80 |
Outstanding options at December 31, 2020 |  |  | 124,800 |  |  | $ | 8.55 |
Expired/forfeited |  |  | (44,800 | ) |  |  | 21.53 |
Outstanding options at December 31, 2021 |  |  | 80,000 |  |  | $ | 1.28 |
SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE | Further information regarding options outstanding under the 2005 Equity Incentive Plan as of December 31, 2021 is summarized below: SCHEDULE OF OPTIONS OUTSTANDING AND EXERCISABLE
|  |  |  |  |  |  |  |  | Weighted-average |  |  |  |  |  | Weighted-average |
Range of exercise prices |  |  | Number of options outstanding |  |  | Remaining life in years |  |  | Exercise price |  |  | Number of options exercisable |  |  | Remaining life in years |  |  | Exercise price |
$ | 1.28 |  |  | $ | 1.28 |  |  |  | 80,000 |  |  |  | 1.8 |  |  | $ | 1.28 |  |  |  | 80,000 |  |  |  | 1.8 |  |  | $ | 1.28 |
|  |  |  |  |  |  |  |  | 80,000 |  |  |  |  |  |  |  |  |  |  |  | 80,000 |  |  |  |  |  |  |  |  |

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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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