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Stockholders’ Equity (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Equity [Abstract] |  |
Summary of Warrant Activity | The Financing Warrants outstanding and exercisable as of September 30, 2021 are summarized as follows: Summary of Warrant Activity
|  |  |  |  |  |  | Outstanding |  |  |  |
|  | Exercise Price |  |  | Expiration Date |  | Classified as Derivative Liabilities (Shares) |  |  | Classified within Stockholders’ Equity (Shares) |  |  | Total Exercisable (Shares) |
MDB Warrants |  | $ | 0.20 |  |  | November 4, 2021 |  |  | - |  |  |  | 327,490 |  |  |  | 327,490 |
Strome Warrants |  |  | 0.50 |  |  | June 15, 2023 |  |  | 1,500,000 |  |  |  | - |  |  |  | 1,500,000 |
B. Riley Warrants |  |  | 0.33 |  |  | October 18, 2025 |  |  | 875,000 |  |  |  | - |  |  |  | 875,000 |
MDB Warrants |  |  | 1.15 |  |  | October 19, 2022 |  |  | - |  |  |  | 119,565 |  |  |  | 119,565 |
MDB Warrants |  |  | 2.50 |  |  | October 19, 2022 |  |  | - |  |  |  | 60,000 |  |  |  | 60,000 |
Total outstanding and exercisable |  |  |  |  |  |  |  |  | 2,375,000 |  |  |  | 507,055 |  |  |  | 2,882,055 |
| A summary of the Financing Warrants activity during the years ended December 31, 2020 and 2019 is as follows: Summary of Warrant Activity
|  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  | Average |
|  |  |  |  | Weighted |  |  | Remaining |
|  | Number |  |  | Average |  |  | Contractual |
|  | of |  |  | Exercise |  |  | Life |
|  | Shares |  |  | Price |  |  | (in Years) |
Financing Warrants outstanding at January 1, 2019 |  |  | 3,949,018 |  |  | $ | 0.64 |  |  |  | 4.81 |
Exercised |  |  | (1,066,963 | ) |  |  | - |  |  |  |  |
Financing Warrants outstanding at December 31, 2019 |  |  | 2,882,055 |  |  |  | 0.80 |  |  |  | 3.95 |
Financing Warrants outstanding at December 31, 2020 |  |  | 2,882,055 |  |  |  | 0.60 |  |  |  | 2.94 |
Financing Warrants exercisable at December 31, 2020 |  |  | 2,882,055 |  |  |  | 0.60 |  |  |  | 2.94 |
Summary of Restricted Stock Award Activity |  | A summary of the restricted stock award activity during the years ended December 31, 2020 and 2019 is as follows: Summary of Restricted Stock Award Activity
|  | Number of Shares |  |  | Weighted Average Grant-Fair |
|  | Unvested |  |  | Vested |  |  | Value Date |
Restricted stock awards outstanding at January 1, 2019 |  |  | 6,309,874 |  |  |  | 10,484,046 |  |  | $ | 0.50 |
Issued |  |  | 833,333 |  |  |  | - |  |  |  | 0.48 |
Vested |  |  | (3,926,542 | ) |  |  | 3,926,542 |  |  |  |  |
|  |  | - |  |  |  | - |  |  |  |  |
Forfeited |  |  | (825,000 | ) |  |  | (402,512 | ) |  |  |  |
Restricted stock awards outstanding at December 31, 2019 |  |  | 2,391,665 |  |  |  | 14,008,076 |  |  |  | 0.56 |
Issued |  |  | 562,500 |  |  |  | - |  |  |  | 0.18 |
Vested |  |  | (2,237,500 | ) |  |  | 2,237,500 |  |  |  |  |
Restricted stock awards subject to repurchase |  |  | - |  |  |  | (1,064,549 | ) |  |  |  |
Forfeited |  |  | (399,998 | ) |  |  | (746,813 | ) |  |  |  |
Restricted stock awards outstanding at December 31, 2020 |  |  | 316,667 |  |  |  | 14,434,214 |  |  |  | 0.42 |
Schedule of Common Stock Financing Warrants Outstanding and Exercisable |  | The Financing Warrants outstanding and exercisable as of December 31, 2020 are summarized as follows: Schedule of Common Stock Financing Warrants Outstanding and Exercisable
|  |  |  |  |  |  | Outstanding |  |  |  |
|  | Exercise Price |  |  | Expiration Date |  | Classified as Derivative Liabilities (Shares) |  |  | Classified within Stockholders’ Equity (Shares) |  |  | Total Exercisable (Shares) |
MDB Warrants |  | $ | 0.20 |  |  | November 4, 2021 |  |  | - |  |  |  | 327,490 |  |  |  | 327,490 |
Strome Warrants |  |  | 0.50 |  |  | June 15, 2023 |  |  | 1,500,000 |  |  |  | - |  |  |  | 1,500,000 |
B. Riley Warrants |  |  | 1.00 |  |  | October 18, 2025 |  |  | 875,000 |  |  |  | - |  |  |  | 875,000 |
MDB Warrants |  |  | 1.15 |  |  | October 19, 2022 |  |  | - |  |  |  | 119,565 |  |  |  | 119,565 |
MDB Warrants |  |  | 2.50 |  |  | October 19, 2022 |  |  | - |  |  |  | 60,000 |  |  |  | 60,000 |
Total outstanding and exercisable |  |  |  |  |  |  |  |  | 2,375,000 |  |  |  | 507,055 |  |  |  | 2,882,055 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 + Details
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