CONSOLIDATED COMPREHENSIVE STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012
Revenues
Product sales, net	$ 93	$ 78
Royalties	16	172
Total revenues	109	250
Operating costs and expenses
Cost of sales	41	25
Selling, general and administrative	444	599
Research and development	3	38
Total operating costs and expenses	488	662
Operating loss	(379)	(412)
Other expense
Interest expense, net	(128)	(115)
Other expense	0	(27)
Total other expense	(128)	(142)
Net loss	(507)	(554)
Foreign currency translation adjustment	0	26
Comprehensive net loss	(507)	(528)
Net loss attributable to common shareholders and loss per common share:
Net loss	(507)	(554)
Net loss attributable to common shareholders	$ (507)	$ (554)
Weighted average number of common shares outstanding - basic and diluted	72,052	68,922
Basic and diluted loss per common share	$ (0.01)	$ (0.01)