CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Operating activities
Net loss	$ (224)	$ (264)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	3	2
Stock-based compensation expense	3	8
Changes in operating assets and liabilities
Royalties and other receivable, net	1	15
Inventories, net	1	10
Prepaid expenses, deposits and other current assets	28	26
Accounts payable and accrued expenses	31	166
Net cash used in operating activities	(157)	(37)
Net decrease in cash	(157)	(37)
Cash, beginning of period	296	56
Cash, end of period	139	19
Supplemental Disclosure:
Transfer of tooling and equipment to inventory	$ 0	$ 1