Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Feb. 28, 2014		Feb. 28, 2013
Cash flows from operating activities:
Net income (loss)	$ 183		$ (2,565)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Stock-based compensation expense	625		427
Provision for (recovery of) doubtful accounts	13		(15)
Gain on disposal of fixed asset	(41)		0
Depreciation and amortization	119		247
Changes in operating assets and liabilities:
Accounts receivable	(685)		951
Inventories	(546)		375
Prepaid expenses and other	(123)		(11)
Accounts payable	1,075		379
Accrued expenses	8		(49)
Customer deposits and deferred revenue	(691)		0
Income tax payable	(35)		15
Deferred lease commitment	(71)		(57)
Net cash used in operating activities	(169)		(303)
Cash flows from investing activities:
Purchases of property and equipment	(154)		(126)
Proceeds from sales of property and equipment	50		0
Net cash used in investing activities	(104)		(126)
Cash flows from financing activities:
Line of credit repayments, net	(695)		(193)
Proceeds from issuance of common stock and excercise of stock options	502		180
Net cash used in financing activities	(193)		(13)
Effect of exchange rates on cash	(12)		(250)
Net decrease in cash and cash equivalents	(478)		(692)
Cash and cash equivalents, beginning of period	2,324	[1]	2,073
Cash and cash equivalents, end of period	1,846		1,381
Supplemental disclosure of non-cash flow information:
Net change in capitalized share-based compensation	$ 0		$ 25

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