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Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Thousands, $ in Thousands			12 Months Ended
	Oct. 03, 2025 $ / shares shares	Aug. 12, 2025 $ / shares shares	Apr. 30, 2026 USD ($) shares	Apr. 30, 2026 USD ($) $ / shares shares	Apr. 30, 2025 USD ($) shares	Apr. 30, 2024 USD ($) shares	Apr. 30, 2026 CAD ($) shares
Schedule of Capitalization, Equity [Line Items]
Gross proceeds from issuance of shares			$ 52,920		$ 0	$ 51,938
Tax benefits associated previously recognized share issue costs						903
Warrants outstanding \| shares			0	0			0
Warrants issued \| shares			0	0			0
Warrants expired \| shares			0
Warrants exercised \| shares			0
Total intrinsic value of options exercised			$ 472		8	0
Stock options granted \| shares			381,788
Exercise price of stock options granted \| $ / shares				$ 5.66
Stock-based compensation			$ 746		$ 561	$ 547
Unrecognized cost of unvested stock options			$ 244	$ 244
Recognition period for compensation cost of unvested stock options			4 years
Aggregate intrinsic value of outstanding stock options			$ 2,163	2,163
Aggregate intrinsic value of outstanding vested			2,141
Aggregate intrinsic value of outstanding unvested			$ 22	$ 22
Long Term Incentive Plan
Schedule of Capitalization, Equity [Line Items]
Stock options granted \| shares			2,699,288
Common shares remain available for issuance \| shares			8,228,635	8,228,635			8,228,635
Aggregate number of common shares issuable \| shares			10,775,285	10,775,285			10,775,285
Grant value of common shares issued or reserved for issuance							$ 100
Long Term Incentive Plan \| Any Participant
Schedule of Capitalization, Equity [Line Items]
Percentage of common shares issued and outstanding			5.00%
Long Term Incentive Plan \| Insiders
Schedule of Capitalization, Equity [Line Items]
Percentage of common shares issued and outstanding			10.00%
Long Term Incentive Plan \| Non-executive Directors
Schedule of Capitalization, Equity [Line Items]
Percentage of common shares issued and outstanding			3.00%
Long Term Incentive Plan \| Consultants
Schedule of Capitalization, Equity [Line Items]
Percentage of common shares issued and outstanding			2.00%
Employee Stock Option
Schedule of Capitalization, Equity [Line Items]
Stock options granted \| shares	348,200	33,588
Exercise price of stock options granted \| $ / shares	$ 5.86	$ 3.55
Employee Stock Option \| Options Vesting on Grant Date
Schedule of Capitalization, Equity [Line Items]
Award vesting percentage	25.00%
Employee Stock Option \| Options Vesting on Dates 6, 12 and 18 Months Thereafter
Schedule of Capitalization, Equity [Line Items]
Award vesting percentage	25.00%
Common Stock \| ATM Program
Schedule of Capitalization, Equity [Line Items]
Shares issued \| shares			12,644,524		0	870,910
Gross proceeds from issuance of shares			$ 54,000		$ 0	$ 2,596
Equity distribution agreement date			Aug. 20, 2025
Share issuance costs			$ 1,080		0	69
Stock issuance costs net of tax benefits			$ 291		$ 0	$ 0
Common Stock \| Short Form Prospectus
Schedule of Capitalization, Equity [Line Items]
Shares issued \| shares						16,929,600
Gross proceeds from issuance of shares						$ 52,866
Share issuance costs						3,456
Stock issuance costs net of tax benefits						$ 956