Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Nov. 30, 2014		Nov. 30, 2013
Cash flows from operating activities:
Net loss	$ (3,021)		$ (29)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Stock-based compensation expense	474		390
(Recovery of) provision for doubtful accounts	(31)		5
Loss on disposal of assets	0		9
Depreciation and amortization	61		95
Changes in operating assets and liabilities:
Accounts receivable	1,945		(58)
Inventories	119		(281)
Prepaid expenses and other	(55)		(146)
Accounts payable	125		711
Accrued expenses	(159)		(183)
Customer deposits and deferred revenue	(257)		16
Income taxes payable	(36)		(47)
Deferred rent	(8)		(47)
Net cash (used in) provided by operating activities	(843)		435
Cash flows from investing activities:
Purchases of property and equipment	(105)		(52)
Net cash used in investing activities	(105)		(52)
Cash flows from financing activities:
Line of credit repayments, net	(135)		(625)
Proceeds from issuance of common stock under private placement, net of issuance costs	2,574		0
Proceeds from issuance of common stock under employee plans	515		423
Net cash provided by (used in) financing activities	2,954		(202)
Effect of exchange rates on cash	(219)		(11)
Net increase in cash and cash equivalents	1,787		170
Cash and cash equivalents, beginning of period	1,809	[1]	2,324
Cash and cash equivalents, end of period	3,596		2,494
Supplemental disclosure of non-cash flow information
Net change in capitalized stock-based compensation	$ 36		$ 0

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.