Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 432	$ (426)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation expense	3	36
Depreciation and amortization	48	150
Realized gain on available-for-sale securities	(5)
Provision for doubtful trade accounts receivable	11	26
Loss on disposal of property and equipment		14
Imputed interest expense on notes payable	81	295
Changes in net assets and liabilities:
Trade accounts receivable	483	(429)
Trade accounts receivable/payable - related party		8
Inventories	273	(635)
Prepaid and other assets	(62)	(32)
Trade accounts payable	(614)	127
Accrued expenses and other	(140)	(229)
Net cash provided by (used in) operating activities	510	(1,095)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(73)	(44)
Capitalized software development costs		(207)
Net cash used in investing activities	(73)	(251)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of note payable		(860)
Proceeds from employee stock purchase plan	9	10
Net cash provided by (used in) financing activities	9	(850)
Effect of exchange rate changes on cash		2
Net increase (decrease) in cash and cash equivalents	446	(2,194)
Cash and cash equivalents, beginning of period	1,542	4,108
Cash and cash equivalents, end of period	1,988	1,914
Supplemental cash flow information:
Interest paid		$ 310