CONDENSED CONSOLIDATED COMPREHENSIVE STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Revenues
Product sales, net	$ 0	$ 10	$ 0	$ 44
Royalties	0	0	1	16
Total revenues	0	10	1	60
Operating costs and expenses
Cost of sales	0	3	0	14
Selling, general and administrative	73	100	231	336
Research and development	0	(2)	1	2
Total operating costs and expenses	73	101	232	352
Operating loss	(73)	(91)	(231)	(292)
Interest expense, net	(32)	(32)	(99)	(95)
Net loss	(105)	(123)	(330)	(387)
Comprehensive net loss	$ (105)	$ (123)	$ (330)	$ (387)
Weighted average number of common shares outstanding - Basic and diluted	78,942	71,399	78,942	69,526
Basic and diluted loss per common share	$ 0.00	$ 0.00	$ 0.00	$ (0.01)