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STOCKHOLDERS’ EQUITY (Tables) | 6 Months Ended
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Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |
SCHEDULE OF RESERVED SHARES | At June 30, 2021, the Company has reserved 13,917,461 shares of authorized but unissued common stock for possible future issuance. At June 30, 2021, shares were reserved in connection with the following: SCHEDULE OF RESERVED SHARES
Exercise of outstanding stock options |  |  | 4,133,856 |
Exercise of outstanding stock warrants |  |  | 9,540,187 |
Conversion of outstanding Series Alpha preferred stock |  |  | 243,418 |
Total |  |  | 13,917,461 |
SCHEDULE OF STOCK OPTION ACTIVITY | The following represents a summary of the options granted (under the 2020 Plan and otherwise) to employees and non-employee service providers that are outstanding at June 30, 2021, and changes during the six-month period then ended: SCHEDULE OF STOCK OPTION ACTIVITY
|  | Shares |  |  | Weighted– Average Exercise Price |  |  | Range of Exercise Price |  |  | Weighted– Average Remaining Life (Years) |
Total outstanding – December 31, 2020 |  |  | 4,011,356 |  |  | $ | 7.05 |  |  | $ | 3.52—1,465.75 |  |  |  | 9.29 |
Granted |  |  | 127,000 |  |  |  | 2.12 |  |  |  | 1.80—3.29 |  |  |  | 9.83 |
Expired |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited |  |  | (4,500 | ) |  |  | 3.68 |  |  |  | 3.52 — 4.97 |  |  |  | — |
Total outstanding – June 30, 2021 |  |  | 4,133,856 |  |  | $ | 6.90 |  |  | $ | 1.80 — 1,465.75 |  |  |  | 8.82 |
Exercisable (vested) |  |  | 1,296,860 |  |  | $ | 11.50 |  |  | $ | 4.97 — 1,465.75 |  |  |  | 8.36 |
Non-Exercisable (non-vested) |  |  | 2,836,996 |  |  | $ | 4.80 |  |  | $ | 1.80 — 5.13 |  |  |  | 9.04 |
SCHEDULE OF ASSUMPTIONS USED IN BLACK-SCHOLES OPTION-PRICING METHOD | The material factors incorporated in the Black-Scholes model in estimating the fair value of the options granted for the periods presented were as follows: SCHEDULE OF ASSUMPTIONS USED IN BLACK-SCHOLES OPTION-PRICING METHOD
|  | For the six months ended June 30, 2021 |
Expected dividend yield |  |  | 0.00 | %
Expected stock-price volatility |  |  | 102 | %
Risk-free interest rate |  |  | 0.84% — 1.18 | %
Expected average term of options |  |  | 6.0 |
Stock price |  | $ | 2.12 |
SCHEDULE OF SHARE-BASED COMPENSATION EXPENSE | The Company recorded share-based compensation expense and classified it in the condensed consolidated statements of operations as follows: SCHEDULE OF SHARE-BASED COMPENSATION EXPENSE
|  | For the six months ended June 30, |
|  | 2021 |  |  | 2020 |
General and administrative |  | $ | 2,201,499 |  |  | $ | 277,807 |
Research and development |  |  | 347,550 |  |  |  | 88,684 |
Total |  | $ | 2,549,049 |  |  | $ | 366,491 |
Compensatory Warrant Activity [Member] |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
SCHEDULE OF WARRANT ACTIVITY | The following table summarizes the activity in the common stock equity classified compensatory warrants received in exchange for the Series C convertible preferred stock equity classified compensatory warrants for the six months ended June 30, 2021: SCHEDULE OF WARRANT ACTIVITY
|  | Common Stock |
|  | Shares |  |  | Weighted– Average Exercise Price |  |  | Range of Exercise Price |  |  | Weighted– Average Remaining Life (Years) |
Total outstanding – December 31, 2020 |  |  | 1,294,217 |  |  | $ | 1.66 |  |  |  |  |  |  |  |  |
Common stock warrants received in exchange for Series C preferred stock warrants upon reverse recapitalization |  |  | - |  |  |  | - |  |  |  |  |  |  |  |  |
Legacy Ritter warrants |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised |  |  | (38,390 | ) |  |  | 2.09 |  |  |  |  |  |  |  |  |
Expired |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Forfeited |  |  | (65,179 | ) |  |  | 2.07 |  |  |  |  |  |  |  |  |
Total outstanding – June 30, 2021 |  |  | 1,190,648 |  |  | $ | 1.62 |  |  |  |  |  |  |  |  |
Exercisable |  |  | 1,187,052 |  |  | $ | 1.62 |  |  | $ | 1.11 — 2.54 |  |  |  | 3.75 |
Non-Exercisable |  |  | 3,596 |  |  | $ | 2.54 |  |  | $ | 2.54 |  |  |  | 5.23 |
SCHEDULE OF WARRANT ACTIVITY |  | Common Stock |
|  | Shares |  |  | Weighted– Average Exercise Price |  |  | Range of Exercise Price |  |  | Weighted– Average Remaining Life (Years) |
Total outstanding – December 31, 2019 |  |  | — |  |  | $ | 1.99 |  |  |  |  |  |  |  |  |
Common stock warrants received in exchange for Series C preferred stock warrants upon reverse recapitalization |  |  | 668,024 |  |  |  | 2.34 |  |  |  |  |  |  |  |  |
Legacy Ritter warrants |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Granted |  |  | 811,431 |  |  |  | 1.11 |  |  |  |  |  |  |  |  |
Expired |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Total outstanding – June 30, 2020 |  |  | 1,479,455 |  |  | $ | 1.67 |  |  |  |  |  |  |  |  |
Exercisable |  |  | 660,832 |  |  | $ | 2.34 |  |  | $ | 2.07 — 2.54 |  |  |  | 3.82 |
Non-Exercisable |  |  | 818,623 |  |  | $ | 1.12 |  |  | $ | 1.11 — 2.54 |  |  |  | 4.91 |
Non Compensatory Warrant Activity [Member] |
Accumulated Other Comprehensive Income (Loss) [Line Items] |
SCHEDULE OF WARRANT ACTIVITY | The following table summarizes the noncompensatory equity classified warrant activity for the six months ended June 30, 2021: SCHEDULE OF WARRANT ACTIVITY
|  | Common Stock |
|  | Shares |  |  | Weighted– Average Exercise Price |  |  | Range of Exercise Price |  |  | Weighted– Average Remaining Life (Years) |
Total outstanding – December 31, 2020 |  |  | 6,549,777 |  |  | $ | 4.37 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,000,000 | ) |  |  | 0.01 |  |  |  |  |  |  |  |  |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Expired |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Total outstanding – June 30, 2021 |  |  | 5,549,777 |  |  | $ | 5.15 |  |  |  |  |  |  |  |  |
Exercisable |  |  | 5,549,777 |  |  | $ | 5.15 |  |  | $ | 1.11 — 2,325.00 |  |  |  | 1.33 |
Non-Exercisable |  |  | — |  |  | $ | — |  |  |  | — |  |  |  | — |

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