Variable Interest Entities and a Voting Interest Entity - Summary of Primary Beneficiary for VIEs Consolidated Under the VIE Model (Detail)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Perception Neuroscience Holdings, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	November 2018
Ownership %	58.90%	58.90%
Kures, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	August 2019
Ownership %	64.50%	54.10%
EntheogeniX Biosciences, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	November 2019
Ownership %	80.00%	80.00%
DemeRx IB, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	December 2019
Ownership %	59.50%	59.50%
Recognify Life Sciences, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	November 2020
Ownership %	51.90%	51.90%
PsyProtix, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	February 2021
Ownership %	75.00%	75.00%
Psyber, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	February 2021
Ownership %	75.00%	75.00%
InnarisBio, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	March 2021
Ownership %	82.00%	82.00%
Neuronasal, Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	May 2021
Ownership %	56.50%	56.50%
TryptageniX Inc. [Member]
Variable Interest Entity [Line Items]
Relationship	Controlled VIE	Controlled VIE
Date Control Obtained	December 2021
Ownership %	65.00%	65.00%