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Stockholders' Equity - At-the-Market Offering - Additional Information (Details) - USD ($) |  |  |  | 5 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 18, 2020 | May 01, 2020 | Mar. 11, 2020 | Jan. 13, 2020 | Sep. 30, 2020
Stockholders Equity Note [Line Items] |  |  |  |  |
Common Stock Offering Period following underwriting agreement |  |  | 2 years |  |
Cantor Fitzgerald & Co [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Percentage of commission on aggregate gross proceeds | 3.00% |  |  |  |
Cantor Fitzgerald & Co [Member] | At-the-Market Offering [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Shares issued in public offering |  |  |  |  | 6,100
Proceeds from issuance of common stock |  |  |  |  | $ 70,500
Roth Capital Partners L L C |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Percentage Of Underwriting Fee To Be Received on company offerings |  |  |  | 35.00% |
Common Stock Offering Period following underwriting agreement |  | 90 days |  |  |
Maximum [Member] | Cantor Fitzgerald & Co [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
At-the-market offering, aggregate offering price | $ 10,000,000 |  |  |  |
Legal fees and disbursements | $ 50,000 |  |  |  |
Minimum [Member] | Roth Capital Partners L L C |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Percentage of fee on gross sale price per share | 1.05% |  |  |  |

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