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Stock-based Compensation (Tables)

3 Months Ended

Jul. 31, 2024

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Option Using the Black-Scholes Option-Pricing Model on Grant Date

During the three months ended July 31, 2024, management estimated the fair value of the awards utilizing the Black-Scholes Option Pricing model with the following weighted-average assumptions:

Risk free interest rate			4.35	%
Volatility			103.9	%
Weighted average expected term (in years)			5.0

Service-based Stock Option

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Option Activity

The following is a summary of service-based stock option activity during the three months ended July 31, 2024:

		Number of Options Outstanding				Weighted Average Exercise Price				Average Remaining Contractual Life (in years)
Outstanding - April 30, 2024			18,659			$	121.00				8.9
Granted			1,500				5.15				9.8
Outstanding - July 31, 2024			20,159			$	121.00				8.7
Non-vested at July 31, 2024			12,929			$	42.00				9.3
Vested at July 31, 2024			7,230			$	264.00				7.7

Performance-based Stock Option

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Option Activity

The following is a summary of performance-based stock option activity during the three months ended July 31, 2024:

		Number of Options Outstanding				Weighted Average Exercise Price				Average Remaining Contractual Life (in years)
Outstanding - April 30, 2024			5,456			$	502.00				5.9
Granted			—				—				—
Outstanding - July 31, 2024			5,456			$	502.00				5.7
Non-vested at July 31, 2024			3,565			$	626.00				5.4
Vested at July 31, 2024			1,891			$	268.00				6.0

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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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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