Note 13 - Sales and Service Revenue and Cost of Sales and Services (Tables)

6 Months Ended

Jan. 31, 2024

Notes Tables

Schedule of Revenue and Cost of Revenue [Table Text Block]

	Three Months Ended January 31,						Six Months Ended January 31,
	2024			2023			2024			2023
Sales of purchased uranium inventory	$	-		$	47,836		$	-		$	105,045
Revenue from toll processing services		116			95			224			178
Total sales and service revenue	$	116		$	47,931		$	224		$	105,223
Cost of purchased uranium inventory	$	-		$	(33,282	)	$	-		$	(76,647	)
Cost of toll processing services		(97	)		(79	)		(187	)		(148	)
Total cost of sales and services	$	(97	)	$	(33,361	)	$	(187	)	$	(76,795	)

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended January 31,						Six Months Ended January 31,
	2024			2023			2024			2023
Customer A		0	%		32	%		0	%		19	%
Customer B		0	%		0	%		0	%		24	%
Customer C		0	%		10	%		0	%		5	%
Customer D		0	%		10	%		0	%		9	%
Customer E		0	%		37	%		0	%		17	%
Customer F		0	%		0	%		0	%		7	%
Customer G		0	%		0	%		0	%		5	%
Customer H		100	%		11	%		100	%		14	%
		100	%		100	%		100	%		100	%