Fair Value Measurements - Schedule of Short Term Investments (Detail)	Sep. 30, 2020 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 63,284,825
Unrealized Gain (Loss)	(2,109)
Market Value	63,282,716
United States Treasury Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,995,784
Unrealized Gain (Loss)	936
Market Value	3,996,720
Financial and Corporate Debt Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	49,283,352
Unrealized Gain (Loss)	(3,045)
Market Value	49,280,307
Certificates Of Deposit [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	10,005,689
Market Value	$ 10,005,689

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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