Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Operating activities
Net loss	$ (181)	$ (354)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	6	31
Stock-based compensation expense	8	22
Foreign currency transaction gain	22	(11)
Changes in operating assets and liabilities
Accounts and royalties receivable, net	21	(17)
Inventories, net	6	46
Prepaid expenses, deposits and other current assets	3	26
Accounts payable and accrued expenses	109	40
Customer deposits		(15)
Net cash used in operating activities	(6)	(232)
Financing activities
Net proceeds from issuance of notes payable	50	200
Repayments of notes payable		(21)
Net cash provided by financing activities	50	179
Effect of exchange rate changes on cash	1	(1)
Net increase (decrease) in cash	45	(54)
Cash, beginning of period	64	165
Cash, end of period	$ 109	$ 111