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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | A summary of stock option activity during the years ended December 31, 2021 and 2020 is as follows: Schedule of Stock Option Activity
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  | Weighted- |  |  | Average |  |  |  |
|  | Shares |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  | Under |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Option |  |  | Price |  |  | Life |  |  | Value |
Outstanding at January 1, 2021 |  |  | 145,360 |  |  | $ | 5.61 |  |  |  | 9 years |  |  | $ | 19,200 |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Forfeited and expired |  |  | (500 | ) |  |  | 6.50 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 144,860 |  |  | $ | 5.61 |  |  |  | 8 years |  |  | $ | 19,200 |
Exercisable at December 31, 2021 |  |  | 66,060 |  |  | $ | 7.35 |  |  |  | 8 years |  |  | $ | 19,200 |
|  |  |  |  |  |  |  | Weighted- |  |  |  |
|  |  |  |  | Weighted- |  |  | Average |  |  |  |
|  | Shares |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  | Under |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Option |  |  | Price |  |  | Life |  |  | Value |
Outstanding at January 1, 2020 |  |  | 46,860 |  |  | $ | 9.02 |  |  |  | 9 years |  |  |  | 19,200 |
Granted |  |  | 99,000 |  |  |  | 4.00 |  |  |  |  |  |  |  |  |
Forfeited and expired |  |  | (500 | ) |  |  | 6.50 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 145,360 |  |  | $ | 5.61 |  |  |  | 9 years |  |  | $ | 19,200 |
Exercisable at December 31, 2020 |  |  | 39,160 |  |  | $ | 9.51 |  |  |  | 8 years |  |  | $ | 19,200 |
Schedule of Grants of Stock Options Over Requisite Service Period | The following represent grants of stock options, including the fair value recognized or to be recognized over the requisite service period: Schedule of Grants of Stock Options Over Requisite Service Period
Grant date |  | Shares granted (canceled) |  |  | Exercise price |  |  | Date fully vested |  |  | Fair value |
February 10, 2016 |  |  | 4,200 |  |  | $ | 48.00 |  |  |  | February 10, 2020 |  |  | $ | 174,748 |
December 6, 2016 |  |  | 2,000 |  |  |  | 38.00 |  |  |  | December 6, 2020 |  |  |  | 63,937 |
September 25, 2017 |  |  | 15,000 |  |  |  | 15.00 |  |  |  | September 25, 2019 |  |  |  | 194,149 |
September 25, 2017 |  |  | 10,000 |  |  |  | 19.00 |  |  |  | September 25, 2019 |  |  |  | 126,862 |
January 30, 2019 |  |  | 250 |  |  |  | 45.00 |  |  |  | January 30, 2019 |  |  |  | 885 |
March 11, 2019 |  |  | (33,200 | ) |  |  | - |  |  |  | - |  |  |  | - |
March 11, 2019 |  |  | 33,200 |  |  |  | 6.50 |  |  |  | December 6, 2020 |  |  |  | 24,898 | (1)
March 11, 2019 |  |  | 10,100 |  |  |  | 6.50 |  |  |  | March 11, 2023 |  |  |  | 44,591 |
September 2, 2020 |  |  | 99,000 |  |  |  | 4.00 |  |  |  | September 2, 2024 |  |  |  | 327,181 |
| (1) | Represents incremental fair value of replacement shares compared to canceled shares.
Schedule of Estimated Values of Stock Option Grants Valuation Assumptions | The weighted average estimated values of director and employee stock option grants, as well as the weighted average assumptions that were used in calculating such values during the years ended December 31, 2021 and 2020, were based on estimates at the date of grant as follows: Schedule of Estimated Values of Stock Option Grants Valuation Assumptions
|  | April 30, |  |  | January 1, |  |  | February 10, |
|  | 2015 Grant |  |  | 2016 Grant |  |  | 2016 Grant |
Risk-free interest rate |  |  | 1.43 | % |  |  | 1.76 | % |  |  | 1.15 | %
Weighted average expected term |  |  | 5 years |  |  |  | 5 years |  |  |  | 5 years |
Expected volatility |  |  | 143.10 | % |  |  | 134.18 | % |  |  | 132.97 | %
Expected dividend yield |  |  | 0.00 | % |  |  | 0.00 | % |  |  | 0.00 | %
|  | December 6, |  |  | September 25, |  |  | January 30, |
|  | 2016 Grant |  |  | 2017 Grant |  |  | 2019 Grant |
Risk-free interest rate |  |  | 1.84 | % |  |  | 1.85 | % |  |  | 2.54 | %
Weighted average expected term |  |  | 5 years |  |  |  | 5 years |  |  |  | 5 years |
Expected volatility |  |  | 123.82 | % |  |  | 130.79 | % |  |  | 115.80 | %
Expected dividend yield |  |  | 0.00 | % |  |  | 0.00 | % |  |  | 0.00 | %
|  | March 11, |  |  | September 2, |
|  | 2019 Grant |  |  | 2020 Grant |
Risk-free interest rate |  |  | 2.44 | % |  |  | 0.26 | %
Weighted average expected term |  |  | 5 years |  |  |  | 5 years |
Expected volatility |  |  | 116.46 | % |  |  | 121.33 | %
Expected dividend yield |  |  | 0.00 | % |  |  | 0.00 | %

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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding 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)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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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