Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 358	$ (282)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Stock-based compensation expense	1	36
Depreciation and amortization	23	62
Realized gain on available-for-sale securities	(5)
Provision for doubtful trade accounts receivable	11
Loss on disposal of property and equipment		2
Imputed interest expense (benefit) on notes payable	(13)	159
Changes in net assets and liabilities:
Trade accounts receivable	120	305
Trade accounts receivable/payable - related party		8
Inventories	(396)	319
Prepaid and other assets	(107)	(59)
Trade accounts payable	(54)	(512)
Accrued expenses and other	15	(55)
Net cash used in operating activities	(47)	(17)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(28)	(20)
Capitalized software development costs		(157)
Net cash used in investing activities	(28)	(177)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of note payable		(403)
Proceeds from employee stock purchase plan	9	10
Net cash provided by (used in) financing activities	9	(393)
Effect of exchange rate changes on cash		(3)
Net decrease in cash and cash equivalents	(66)	(590)
Cash and cash equivalents, beginning of period	1,542	4,108
Cash and cash equivalents, end of period	1,476	3,518
Supplemental cash flow information:
Interest paid		$ 162