Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Operating costs and expenses
General and administrative	$ 29	$ 40	$ 127	$ 139
Total operating costs and expenses	29	40	127	139
Operating loss	(29)	(40)	(127)	(139)
Loss from continuing operations	(29)	(40)	(127)	(139)
Gain from discontinued operations				1
Net loss	$ (29)	$ (40)	$ (127)	$ (138)
Weighted average number of common shares outstanding - Basic and diluted	154,811	154,811	154,811	154,811
Basic and diluted loss per common share from continuing operations	$ (0.00)	$ (0.00)	$ (0.00)	$ (0.00)
Basic and diluted loss per common share from discontinued operations	(0.00)	(0.00)	(0.00)	(0.00)
Basic and diluted loss per common share	$ (0.00)	$ (0.00)	$ (0.00)	$ (0.00)