Net Loss Per Share (Details) - Schedule of anti-dilutive common share equivalents excluded from the computation of diluted net loss per share - shares |
9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Schedule of anti-dilutive common share equivalents excluded from the computation of diluted net loss per share [Abstract] | ||||
| Preferred shares | 9,355,778 | 8,443,778 | ||
| Common share purchase warrants | 19,512,039 | 2,901,182 | 2,786,534 | 205,562 |
| Restricted stock not yet vested or released | 20,798 | |||
| Options outstanding | 71,728 | 101,175 | 101,175 | 2,600 |