Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 31, 2013		Aug. 31, 2012
Cash flows from operating activities:
Net loss	$ (166)		$ (296)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock-based compensation expense	143		169
Provision for (recovery of) doubtful accounts	7		(1)
Loss on disposal of assets	9		0
Depreciation and amortization	53		86
Changes in operating assets and liabilities:
Accounts receivable	(216)		53
Inventories	0		(640)
Prepaid expenses and other	(181)		(127)
Accounts payable	175		485
Customer deposits and deferred revenue	409		(162)
Accrued expenses	7		178
Income tax payable	(45)		1
Deferred lease commitment	(23)		(18)
Net cash provided by (used in) operating activities	172		(272)
Cash flows from investing activities:
Purchase of property and equipment	(6)		(16)
Net cash used in investing activities	(6)		(16)
Cash flows from financing activities:
Line of credit (repayments) borrowings, net	(154)		44
Proceeds from issuance of common stock and excercise of stock options	59		67
Net cash (used in) provided by financing activities	(95)		111
Effect of exchange rates on cash	40		5
Net increase (decrease) in cash and cash equivalents	111		(172)
Cash and cash equivalents, beginning of period	2,324	[1]	2,073
Cash and cash equivalents, end of period	$ 2,435		$ 1,901

[1] The condensed consolidated balance sheet at May 31, 2013 has been derived from the audited consolidated financial statements at that date.