Date the option award granted, in CCYY-MM-DD format.

No definition available.

Name:	enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDate
Namespace Prefix:	enrt_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the equity-based award expires, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of options outstanding, including both vested and non-vested options.

+ 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)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateSevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=enrt_IssueDateEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

STOCK OPTIONS AND WARRANTS - Schedule of options outstanding and exercisable (Details) - $ / shares	9 Months Ended
	May 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Exercise Price	$ 1.73	$ 1.73	$ 1.73
Number of Options	407,500	407,500	407,500
Remaining Life (Years)	1 year 1 month 28 days
14-Dec-20 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Dec. 14, 2020
Expiry Date	Dec. 14, 2025
Exercise Price	$ 1
Number of Options	105,000
Remaining Life (Years)	6 months 14 days
28-Jan-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Jan. 28, 2021
Expiry Date	Jan. 28, 2026
Exercise Price	$ 2.8
Number of Options	100,000
Remaining Life (Years)	7 months 28 days
4-Feb-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Feb. 04, 2021
Expiry Date	Feb. 04, 2026
Exercise Price	$ 3.6
Number of Options	5,000
Remaining Life (Years)	8 months 4 days
5-Feb-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Feb. 05, 2021
Expiry Date	Feb. 05, 2026
Exercise Price	$ 3.6
Number of Options	15,000
Remaining Life (Years)	8 months 4 days
27-Apr-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Apr. 27, 2021
Expiry Date	Apr. 27, 2026
Exercise Price	$ 2.4
Number of Options	5,000
Remaining Life (Years)	10 months 28 days
28-May-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	May 28, 2021
Expiry Date	May 28, 2026
Exercise Price	$ 2.4
Number of Options	2,500
Remaining Life (Years)	11 months 26 days
1-Sep-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Sep. 01, 2021
Expiry Date	Sep. 01, 2026
Exercise Price	$ 1.6
Number of Options	25,000
Remaining Life (Years)	1 year 3 months
6-Dec-21 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Dec. 06, 2021
Expiry Date	Dec. 06, 2026
Exercise Price	$ 1.4
Number of Options	50,000
Remaining Life (Years)	1 year 6 months 7 days
18-Aug-22 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Issue Date	Aug. 18, 2022
Expiry Date	Aug. 18, 2027
Exercise Price	$ 1.2
Number of Options	100,000
Remaining Life (Years)	2 years 2 months 19 days