Note 18 - Stockholders' Equity (Tables)

12 Months Ended

May 31, 2026

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

EIP Time-based stock option activity
										*Weighted-*
						*Weighted-*				*average*
						*average*				*remaining*
		*Stock*				*exercise*				*contractual*				*Aggregate*
		*Options*				*price*				*term (years)*				*intrinsic value*
Balance, May 31, 2025			278,603			$	145.54				3.0			$	—
Granted			—				—				—				—
Exercised			—				—				—				—
Forfeited			—				—				—				—
Cancelled			—				—				—				—
Balance, May 31, 2026			278,603			$	145.54				2.0			$	—

Original plan time-based stock option activity
										*Weighted-*
						*Weighted-*				*average*
						*average*				*remaining*
		*Stock*				*exercise*				*contractual*				*Aggregate*
		*Options*				*price*				*term (years)*				*intrinsic value*
Balance, May 31, 2025			1,296			$	47.66				2.6			$	—
Exercised			—				—				—				—
Forfeited			—				—				—				—
Cancelled			—				—				—				—
Balance, May 31, 2026			1,296			$	47.66				1.6			$	—

Predecessor Plan [Member]

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

										*Weighted*				*Weighted*
						*Weighted*				*average*				*average*
						*average*				*grant*				*remaining*				*Aggregate*
		*Number of*				*exercise*				*date fair*				*contractual*				*Intrinsic*
		*options*				*price*				*value*				*term (years)*				*Amount*
Outstanding, beginning of the year			4,523			$	91.20			$	—				2.53			$	—
Exercised during the year			—				—				—				—				—
Granted during the year			—				—				—				—				—
Forfeited during the year			—				—				—				—				—
Expired during the year			—				—				—				—				—
Outstanding, end of the year			4,523			$	91.20			$	—				1.53			$	—
Vested and exercisable, end of the year			4,523			$	91.20			$	—				1.53			$	—

		*May 31, 2026*
										*Weighted*				*Weighted*
						*Weighted*				*average*				*average*
						*average*				*grant*				*remaining*				*Aggregate*
		*Number of*				*exercise*				*date fair*				*contractual*				*Intrinsic*
		*options*				*price*				*value*				*term (years)*				*Amount*
Outstanding, beginning of the year			18,717			$	2,345.31			$	—				5.84			$	—
Exercised during the year			—				—				—				—				—
Converted upon acquisition			—				—				—				—				—
Forfeited during the year			—				—				—				—				—
Expired during the year			—				—				—				—				—
Outstanding, end of the year			18,717			$	2,345.31			$	—				4.81			$	—
Vested and exercisable, end of the year			18,717			$	2,345.31			$	—				4.81			$	—

E I P Original Plan [Member]

Notes Tables

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

Time-based and Performance-based RSU activity
						*Weighted-*				*Weighted-*
						*average*				*average*
						*grant-date*				*remaining*
		*Time-based*				*fair value*				*contractual*				*Aggregate*
		*RSUs*				*per share*				*term (years)*				*intrinsic value*
Balance, May 31, 2025			2,770,571			$	26.05				2.9			$	11,794
Granted			4,562,669				5.94				—				28,214
Vested			(1,249,757	)			20.84				—				(6,886	)
Forfeited			(192,922	)			10.73				—				(1,133	)
Cancelled			(82,241	)			115.15				—				(55	)
Balance, May 31, 2026			5,808,320			$	10.62				0.9			$	31,934

		*May 31, 2026*
						*Weighted*
						*average*
						*grant -*
						*date fair*
		*Time-based*				*value per*
		*DSUs*				*share*
Non-vested, beginning of the year			21,092			$	160.32
Granted during the year			—				—
Vested during the year			—				—
Forfeited during the year			—				—
Non-vested, end of the year			21,092			$	160.32