Short-term Investments - Schedule of Short-term investments (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Short-Term Investments [Abstract]
Aggregate cost	$ 25,547,079	$ 2,764,244
Gross unrealized gain	241,225	142,100
Aggregate fair value	$ 25,788,304	$ 2,906,344

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_ShortTermInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant