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Stock Options (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of stock option |
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average contractual term (years) |  |  | Aggregate intrinsic value |
Outstanding at January 1, 2021 |  |  | 2,595,700 |  |  | $ | 1.92 |  |  |  |  |  |  | $ | 2,491,026 |
Granted |  |  | 626,238 |  |  |  | 2.52 |  |  |  |  |  |  |  | 74,482 |
Exercise |  |  | (82,333 | ) |  |  | 0.83 |  |  |  |  |  |  |  | 151,544 |
Forfeited |  |  | (58,701 | ) |  |  | 2.65 |  |  |  |  |  |  |  | 58,285 |
Outstanding at December 31, 2021 |  |  | 3,080,904 |  |  | $ | 2.06 |  |  |  | 6.7 |  |  | $ | 1,923,642 |
Vested and exercisable at December 31, 2021 |  |  | 2,307,571 |  |  | $ | 2.04 |  |  |  | 6.9 |  |  | $ | 1,674,967 |
Outstanding at January 1, 2020 |  |  | 2,004,318 |  |  | $ | 1.72 |  |  |  |  |  |  | $ | 2,542,361 |
Granted |  |  | 860,465 |  |  |  | 2.38 |  |  |  |  |  |  |  |  |
Exercised |  |  | (7,166 | ) |  |  | 0.79 |  |  |  |  |  |  |  | 6,523 |
Forfeited |  |  | (261,917 | ) |  |  | 1.90 |  |  |  |  |  |  |  | 134,070 |
Outstanding at December 31, 2020 |  |  | 2,595,700 |  |  | $ | 1.92 |  |  |  | 7.60 |  |  | $ | 2,491,026 |
Vested and exercisable at December 31, 2020 |  |  | 1,730,198 |  |  | $ | 1.90 |  |  |  | 7.82 |  |  | $ | 1.967,071 |
Schedule of measured fair value of each option award grant using the black-scholes-merton (BSM) pricing model |
|  | 2021 |  |  | 2020 |
Exercise price |  | $ | 2.52 |  |  | $ | 2.38 |
Expected life |  |  | 5 years |  |  |  | 5 years |
Expected volatility |  |  | 91.2 | % |  |  | 76 | %
Dividend yield |  |  | 0 | % |  |  | 0 | %
Risk-free interest rate |  |  | 0.57% |  |  |  | 1.07% |

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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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