Variable Interest Entities and a Voting Interest Entity - Summary of Primary Beneficiary for VIEs Consolidated Under the VIE Model (Detail)		12 Months Ended
		Dec. 31, 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	[1]		Controlled VIE
Date Control Obtained	[1]	May 2021
Ownership %		0.00%	56.50%	[1]
TryptageniX Inc. [Member]
Variable Interest Entity [Line Items]
Relationship		Controlled VIE	Controlled VIE
Date Control Obtained		December 2021
Ownership %		65.00%	65.00%

[1] 1) As discussed in Note 3, the Company deconsolidated Neuronsal, Inc. in November 2022