CONDENSED CONSOLIDATED COMPREHENSIVE STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Revenues
Product sales, net	$ 0	$ 0	$ 0	$ 34
Royalties	0	2	1	16
Total revenues	0	2	1	50
Operating costs and expenses
Cost of sales	0	0	0	11
Selling, general and administrative	73	116	158	235
Research and development	0	1	1	4
Total operating costs and expenses	73	117	159	250
Operating loss	(73)	(115)	(158)	(200)
Interest expense, net	(33)	(32)	(66)	(64)
Net loss	$ (106)	$ (147)	$ (224)	$ (264)
Weighted average number of common shares outstanding - Basic and diluted	78,942	68,922	78,942	68,922
Basic and diluted loss per common share	$ 0.00	$ 0.00	$ 0.00	$ 0.00