Amount of noncash expense for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Weighted average price of options that were either forfeited or expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	xsnx_OPTIONSDetailsLineItems
Namespace Prefix:	xsnx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_ChiefFinancialOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xsnx_PresidentOfStemVaxTherapeuticsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xsnx_ScientificAdvisoryBoardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xsnx_StaffMembersAndOfficersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

OPTIONS (Details) - USD ($)			9 Months Ended
OPTIONS (Details) - USD ($)	Mar. 13, 2023	Jun. 02, 2020	Jun. 30, 2024	Jun. 30, 2023
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	3,542,857	2,000,000	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period		10 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price (in Dollars per share)		$ 0.01
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.175		$ 0
Share-Based Payment Arrangement, Noncash Expense (in Dollars)			$ 0	$ 563,314
Share-Based Payment Arrangement, Option [Member]
OPTIONS (Details) [Line Items]
Share-Based Payment Arrangement, Noncash Expense (in Dollars)				$ 563,315
Director [Member]
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	857,143
Chief Financial Officer [Member]
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	428,571
President of StemVax Therapeutics [Member]
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	571,429
Scientific Advisory Board [Member]
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	57,143
Staff Members and Officers [Member]
OPTIONS (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	542,857