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Warrants | 9 Months Ended
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Sep. 30, 2021
Warrants |
Warrants | Note 11 - Warrants The following table summarizes information with respect to outstanding warrants to purchase common stock during the nine months ended September 30, 2021: Schedule of Outstanding Warrants to Purchase Common Stock
|  |  |  |  | Weighted |  |  | Weighted Average |  |  |  |
|  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  | Number |  |  | Exercise |  |  | Life |  |  | Intrincic |
|  | Outstanding |  |  | Price |  |  | In Months |  |  | Value |
Outstanding at December 31, 2020 |  |  | 7,562,500 |  |  | $ | 0.25 |  |  |  | 6 |  |  | $ | 0 |
Issued |  |  | 34,157,894 |  |  | $ | 0.06 |  |  |  | 36 |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Expired |  |  | (7,562,500 | ) |  | $ | 0.25 |  |  |  | - |  |  | $ | 0 |
Outstanding at September 30, 2021 |  |  | 34,157,894 |  |  | $ | 0.06 |  |  |  | 36 |  |  | $ | 0 |
The following table summarizes information about warrants outstanding at September 30, 2021: Schedule of Warrants Outstanding
|  |  |  |  |  | Weighted Average Life of |
|  |  | Warrants |  |  | Outstanding Warrants |
Exercise price |  |  | Outstanding |  |  | In Months |
| 0.063 |  |  |  | 28,947,368 |  |  |  | 36 |
| 0.069 |  |  |  | 5,210,526 |  |  |  | 36 |
|  |  |  |  | 34,157,894 |  |  |  | 36 |
Effective June 30, 2021, 7,562,500 warrants issued in connection with our Q2 2018 unit offering expired unexercised. Effective September 28, 2021, we issued 28,947,368 warrants with an exercise price of $0.063 and a 3-year term to the Holders of our Series B redeemable convertible preferred stock and 5,210,526 warrants with an exercise price of $0.0693 and a 3-year term to the placement agent in respect of the sale of the Series B redeemable convertible preferred stock. See Note 8.

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