Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Segment	Sep. 30, 2019 USD ($)
Accounting Policies [Line Items]
Restricted cash	$ 107,000	$ 107,000	$ 107,000	$ 107,000
Impairment losses	0	0	$ 0	0
Expected dividend yield			0.00%
Comprehensive income or loss	0	$ 0	$ 0	$ 0
Number of reportable segments \| Segment			1
Other Assets
Accounting Policies [Line Items]
Restricted cash	107,000		$ 107,000
Other Assets \| IPO
Accounting Policies [Line Items]
Equity issuance costs	$ 1,537,000		$ 1,537,000

Accounting policies.

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Amount of costs related to issuance of equity, as of the balance sheet date.

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No definition available.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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