Consolidated Comprehensive Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017
Revenues
Product sales, net		$ 6
Operating costs and expenses
Cost of sales (including inventory provision of $99 for 2017)		100
Selling, general and administrative	225	201
Total operating costs and expenses	225	301
Operating loss	(225)	(295)
Interest expense	(220)	(193)
Net loss	$ (445)	$ (488)
Weighted average number of common shares outstanding - basic and diluted	79,007,000	79,007,000
Basic and diluted loss per common share	$ (0.01)	$ (0.01)