The number of equal installments for share-based compensation awards to vest.

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

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

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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

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- 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

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

+ Details

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

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

+ References

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- 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
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-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- References

No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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- Definition

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

+ References

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- 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
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Share capital, Stock Options Activity (Details)		6 Months Ended		9 Months Ended		12 Months Ended
Share capital, Stock Options Activity (Details)	Mar. 26, 2025 $ / shares shares	Apr. 30, 2025 $ / shares shares	Apr. 30, 2025 $ / shares $ / shares shares	Apr. 30, 2025 USD ($) Installment $ / shares shares	Apr. 30, 2024 USD ($) shares	Jul. 31, 2024 $ / shares shares	Nov. 06, 2024 shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		627,786	627,786	627,786
Forfeited (in shares)		(13,991)	(13,991)
Granted (in shares)	500,000	500,000	500,000		0
Cancelled (in shares)		(27,301)	(27,301)
Outstanding (in shares)		1,086,494	1,086,494	1,086,494		627,786
Exercisable (in shares)		446,102	446,102	446,102		334,964
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares		$ 4.01		$ 4.01
Forfeited (in dollars per share) \| $ / shares		3.79
Granted (in dollars per share) \| (per share)	$ 0.23	0.23
Cancelled (in dollars per share) \| $ / shares		3.79
Outstanding (in dollars per share) \| $ / shares		2.28		2.28		$ 4.01
Exercisable (in dollars per share) \| $ / shares		$ 3.99	$ 3.99	$ 3.99		$ 4.01
Weighted average remaining contractual life				5 years 1 month 24 days		7 years 1 month 2 days
Term of options granted to officers				5 years
Vesting period of options granted to officers				12 months
Number of equal installments for vesting \| Installment				24
Stock options outstanding (in shares)		1,086,494	1,086,494	1,086,494		627,786	586,494
Exercise Price Range One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		26,763	26,763	26,763
Exercisable (in shares)		26,763	26,763	26,763
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Jan. 17, 2028
Stock options outstanding (in shares)		26,763	26,763	26,763
Exercise Price Range Two [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		91,760	91,760	91,760
Exercisable (in shares)		91,760	91,760	91,760
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Feb. 06, 2028
Stock options outstanding (in shares)		91,760	91,760	91,760
Exercise Price Range Three [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		84,113	84,113	84,113
Exercisable (in shares)		53,909	53,909	53,909
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 7.26
Expiry date				May 15, 2028
Stock options outstanding (in shares)		84,113	84,113	84,113
Exercise Price Range Four [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		7,646	7,646	7,646
Exercisable (in shares)		5,734	5,734	5,734
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 7.72
Expiry date				Jun. 26, 2028
Stock options outstanding (in shares)		7,646	7,646	7,646
Exercise Price Range Five [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		229,398	229,398	229,398
Exercisable (in shares)		160,578	160,578	160,578
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Jan. 17, 2032
Stock options outstanding (in shares)		229,398	229,398	229,398
Exercise Price Range Six [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		45,880	45,880	45,880
Exercisable (in shares)		32,116	32,116	32,116
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Mar. 01, 2032
Stock options outstanding (in shares)		45,880	45,880	45,880
Exercise Price Range Seven [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		9,176	9,176	9,176
Exercisable (in shares)		6,424	6,424	6,424
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Mar. 14, 2032
Stock options outstanding (in shares)		9,176	9,176	9,176
Exercise Price Range Eight [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		76,466	76,466	76,466
Exercisable (in shares)		53,526	53,526	53,526
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Oct. 12, 2032
Stock options outstanding (in shares)		76,466	76,466	76,466
Exercise Price Range Nine [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		15,292	15,292	15,292
Exercisable (in shares)		15,292	15,292	15,292
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares			$ 5.24
Expiry date				Feb. 06, 2033
Stock options outstanding (in shares)		15,292	15,292	15,292
Exercise Price Range Ten [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Outstanding (in shares)		500,000	500,000	500,000
Exercisable (in shares)		0	0	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding (in dollars per share) \| $ / shares		$ 0.23		$ 0.23
Expiry date				Mar. 26, 2030
Stock options outstanding (in shares)		500,000	500,000	500,000
Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Share-based payments \| $				$ 52,855	$ 572,041