Consolidated Comprehensive Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Revenues
Product sales, net	$ 6	$ 23
Total revenues	6	23
Operating costs and expenses
Cost of sales (including inventory provision of $99 and $327 for 2017 and 2016, respectively)	100	336
Selling, general and administrative	201	259
Total operating costs and expenses	301	595
Operating loss	(295)	(572)
Interest expense, net	(193)	(169)
Net loss	$ (488)	$ (741)
Weighted average number of common shares outstanding - basic and diluted	79,007	79,007
Basic and diluted loss per common share	$ (0.01)	$ (0.01)