Stockholders' Deficit and Warrants - Summary of Activity for Warrants Outstanding (Details) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2022 |
Dec. 31, 2021 |
|
| Class Of Warrant Or Right [Line Items] | ||
| Number of Warrants, Outstanding | 18,621,458 | 11,087,708 |
| Number of Warrants, Exercisable | 18,621,458 | 11,087,708 |
| Weighted Average Exercise Price, Outstanding | $ 1.42 | $ 2.37 |
| Weighted Average Exercise Price, Exercisable | $ 1.42 | $ 2.37 |
| Weighted Average Remaining Contractual Term, Outstanding | 6 years | 6 years 10 months 24 days |
| Restatement Adjustment [Member] | ||
| Class Of Warrant Or Right [Line Items] | ||
| Number of Warrants, Outstanding | 29,088,886 | 16,022,000 |
| Number of Warrants, Exercisable | 29,088,886 | 16,022,000 |
| Weighted Average Exercise Price, Outstanding | $ 0.29 | $ 0.52 |
| Weighted Average Exercise Price, Exercisable | $ 0.29 | $ 0.52 |
| Weighted Average Remaining Contractual Term, Outstanding | 4 years 8 months 12 days | 4 years 9 months 18 days |