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Share-Based Compensation Plans (Tables)

12 Months Ended

Apr. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Valuation Assumptions

 Schedule of Stock Option Valuation Assumptions

		Fiscal year ended April 30,
		2024				2023
Risk-free interest rate			N/A				3.5	%
Expected dividend yield			N/A				0.0	%
Expected life (in years)			N/A				5.5
Expected volatility			N/A				109.0	%

Schedule of Stock Option Activity

A summary of stock options under our Stock Incentive Plans is detailed in the following table.

 Schedule of Stock Option Activity

		Shares Underlying Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (In Years)
Outstanding as of April 30, 2023			1,529,185			$	1.75				8.8
Granted			—			$	—
Exercised			—			$	—
Cancelled/forfeited			(794,369	)		$	1.29
Expired			(273	)		$	341.08
Outstanding as of April 30, 2024			734,543			$	2.12				7.6
Exercisable as of April 30, 2024			462,150			$	2.85				7.1

Schedule of Non-vested Restricted Stock Activity

A summary of unvested restricted stock units under our stock incentive plans is as follows:

 Schedule of Non-vested Restricted Stock Activity

		Number of Shares				Weighted Average Price per Share
Issued and unvested at April 30, 2023			1,985,994			$	0.91
Granted			4,439,257			$	0.30
Vested and issued			(787,498	)		$	0.86
Cancelled/forfeited			(513,224	)		$	0.90
Issued and unvested at April 30, 2024			5,124,529			$	0.38

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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