Fair Value Measurements - Schedule of Short Term Investments (Detail) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 25,020,738	$ 100,009,912
Unrealized Gain (Loss)		(4,354)
Market Value	25,020,738	100,005,558
United States Treasury Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		20,052,757
Unrealized Gain (Loss)		1,843
Market Value		20,054,600
Commercial Paper and Corporate Debt Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		47,521,344
Unrealized Gain (Loss)		(5,440)
Market Value		47,515,904
Asset Backed Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		7,414,619
Unrealized Gain (Loss)		(757)
Market Value		7,413,862
Certificates Of Deposit [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	25,020,738	25,021,192
Market Value	$ 25,020,738	$ 25,021,192

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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-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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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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-SubTopic 210
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount, before tax, of unrealized gain (loss) in accumulated other comprehensive income (AOCI) on 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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