Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Intangible Assets [Line Items]
Impairment charge	$ 0	$ 0
Impairment loss on intangible assets	579,497
IPR&D [Member]
Schedule Of Intangible Assets [Line Items]
Impairment loss on intangible assets	0	0
Research and Development [Member]
Schedule Of Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 19,920	$ 46,813