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Stockholders' Equity - Additional Information (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jul. 02, 2021 | Aug. 30, 2021 | Mar. 27, 2020 | Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 27, 2021
Stock Purchase Agreement [Line Items] |  |  |  |  |  |  |  |  |  |
Net proceeds of offering amount | $ 18.8 |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  | 70,442,309 |  |  |  | 70,442,309 | 45,559,765 |
Settlement of accrued bonus, shares |  |  |  |  |  |  |  | 1,345,136 |  |
Common Stock |  |  |  |  |  |  |  |  |  |
Stock Purchase Agreement [Line Items] |  |  |  |  |  |  |  |  |  |
Issuance of stock, Shares | 20,700,000 | 952,380 |  | 20,700,000 | 2,750,000 | 6,079,676 | 8,028,372 |  |  |
purchase per share value | $ 1.00 | $ 1.05 |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  |  |  | 200,000
Shares issued. price per share | $ 1.00 | $ 1.05 |  |  |  |  |  |  |  |
Settlement of accrued bonus, shares |  |  |  |  |  |  |  | 165,413 |  |
Lincoln Park |  |  |  |  |  |  |  |  |  |
Stock Purchase Agreement [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from shares issued |  |  | $ 25,000,000 |  |  |  |  |  |  |
Stock Purchase Agreement | Lincoln Park |  |  |  |  |  |  |  |  |  |
Stock Purchase Agreement [Line Items] |  |  |  |  |  |  |  |  |  |
Issuance of stock, Shares |  |  |  |  |  |  |  | 2,750,000 | 10,179,676 |
Value of shares issued |  |  | $ 5,000,000 |  |  |  |  |  |  |
Common stock, shares issued |  |  | 461,676 |  |  |  |  |  |  |
Fair value of common stock shares issued |  |  | $ 186,300 |  |  |  |  |  |  |
Additional commitment shares issued |  |  | 230,838 |  |  |  |  |  |  |
Proceeds from shares issued |  |  |  |  |  |  |  | $ 6,900,000 | $ 15,500,000 |

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