Equity Capital Structure, 2020 July Equity Offering (Details)
|
|
|
2 Months Ended |
6 Months Ended |
12 Months Ended |
|
Jul. 15, 2020
USD ($)
$ / shares
|
Jul. 12, 2020
shares
|
Sep. 09, 2019
USD ($)
|
Dec. 31, 2020
shares
|
Dec. 31, 2021
USD ($)
shares
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Equity Capital Structure [Abstract] |
|
|
|
|
|
|
|
| Gross proceeds from issuance of common stock and warrants |
|
|
$ 2,600,000
|
|
$ 265,307,807
|
$ 39,053,325
|
$ 2,625,590
|
| Net proceeds from issuance of common stock and warrants |
|
|
$ 2,300,000
|
|
|
|
|
| Private Placement Warrants [Member] |
|
|
|
|
|
|
|
| Equity Capital Structure [Abstract] |
|
|
|
|
|
|
|
| Number of securities called by warrants (in shares) | shares |
|
5,775,000
|
|
|
|
|
|
| Gross proceeds from issuance of common stock and warrants |
|
|
|
|
$ 20,000,000.0
|
|
|
| Term of warrant |
|
|
|
|
5 years
|
|
|
| Warrant exercise price (in dollars per share) | $ / shares |
$ 3.50
|
|
|
|
|
|
|
| Warrants exercised (in shares) | shares |
|
|
|
0
|
5,707,136
|
|
|
| Warrants outstanding (in shares) | shares |
|
|
|
|
67,864
|
|
|
| Fair value of warrants |
|
|
|
|
$ 13,200,000
|
|
|
| Percentage increase in volatility causing increase in fair value of warrants |
|
|
|
|
5.00%
|
|
|
| Percentage increase in fair value of warrants due to increase in volatility |
|
|
|
|
1.90%
|
|
|
| Private Placement Warrants [Member] | Historical Volatility Measurement Input [Member] |
|
|
|
|
|
|
|
| Equity Capital Structure [Abstract] |
|
|
|
|
|
|
|
| Measurement input - Volatility |
|
|
|
|
1.532
|
|
|
| 2020 July Equity Offering [Member] |
|
|
|
|
|
|
|
| Equity Capital Structure [Abstract] |
|
|
|
|
|
|
|
| Issuance of common stock (in shares) | shares |
|
5,775,000
|
|
|
|
|
|
| Gross proceeds from issuance of common stock and warrants |
$ 17,300,000
|
|
|
|
|
|
|
| Net proceeds from issuance of common stock and warrants |
$ 15,700,000
|
|
|
|
|
|
|