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Common Stock Purchase Warrants (Tables) | 3 Months Ended
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Mar. 31, 2021
Equity [Abstract] |
Schedule of Fair Value of the Warrant Derivative Liabilities | The Company has utilized the following assumptions in its Black-Scholes option valuation model to calculate the estimated fair value of the warrant derivative liabilities as of their date of issuance and as of March 31, 2021:
|  | Issuance date assumptions |  |  | March 31, 2021 assumptions |
Volatility - range |  |  | 106.6 – 166.6 | % |  |  | 106.7 | %
Risk-free rate |  |  | 0.08 - 0.49 | % |  |  | 0.92 | %
Dividend |  |  | 0 | % |  |  | 0 | %
Remaining contractual term |  |  | 0.01 - 5 years |  |  |  | 4.8 years |
Exercise price |  | $ | 2.80 - 3.25 |  |  | $ | 3.25 |
Common stock issuable under the warrants |  |  | 42,550,000 |  |  |  | 24,300,000 |
Summary of Warrant Activity | The following table summarizes information about shares issuable under warrants outstanding during the three months ended March 31, 2021:
|  |  | Warrants |  |  | Weighted average exercise price |
Vested Balance, January 1, 2021 |  |  |  | 3,388,364 |  |  | $ | 6.24 |
Granted |  |  |  | 42,550,000 |  |  |  | 3.11 |
Exercised |  |  |  | (18,250,000 | ) |  |  | 2.92 |
Forfeited/cancelled |  |  |  | (879,766 | ) |  |  | 13.43 |
Vested Balance, March 31, 2021 |  |  |  | 26,808,598 |  |  | $ | 3.29 |
Summary of Range of Exercise Prices and Weighted Average Remaining Contractual Life of Warrants | The following table summarizes the range of exercise prices and weighted average remaining contractual life for outstanding and exercisable warrants to purchase shares of common stock as of March 31, 2021:
|  |  | Outstanding and exercisable warrants
Exercise price |  |  | Number of warrants |  |  | Weighted average remaining contractual life
$ | 2.60 |  |  |  | 465,712 |  |  | 2.3 years
$ | 3.00 |  |  |  | 316,800 |  |  | 2.0 years
$ | 3.25 |  |  |  | 24,300,000 |  |  | 4.8 years
$ | 3.36 |  |  |  | 733,333 |  |  | 1.7 years
$ | 3.65 |  |  |  | 167,000 |  |  | 1.3 years
$ | 3.75 |  |  |  | 25,753 |  |  | 1.4 years
$ | 5.00 |  |  |  | 800,000 |  |  | 0.8 years
|  |  |  |  | 26,808,598 |  |  | 4.5 years

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + 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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