Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Feb. 29, 2012	May 31, 2011
ASSETS
Cash and cash equivalents	$ 2,975	$ 4,020	[1]
Accounts receivable, net of allowances for doubtful accounts of $14 and $23 at February 29, 2012 and May 31, 2011, respectively	825	1,432	[1]
Inventories, net	5,650	4,958	[1]
Prepaid expenses and other	247	161	[1]
Total current assets	9,697	10,571	[1]
Property and equipment, net	587	954	[1]
Other assets	172	558	[1]
Total assets	10,456	12,083	[1]
LIABILITIES AND SHAREHOLDERS' EQUITY
Line of credit	716	0	[1]
Accounts payable	960	885	[1]
Accrued expenses	1,221	1,434	[1]
Deferred revenue	185	221	[1]
Total current liabilities	3,082	2,540	[1]
Income tax payable	129	204	[1]
Deferred lease commitment	195	238	[1]
Total liabilities	3,406	2,982	[1]
Shareholders' equity:
Common stock, $0.01 par value: Issued and outstanding: 9,055 shares and 8,932 shares at February 29, 2012 and May 31, 2011, respectively.	91	89	[1]
Additional paid-in capital	48,378	47,747	[1]
Accumulated other comprehensive income	2,519	2,593	[1]
Accumulated deficit	(43,938)	(41,328)	[1]
Total shareholders' equity	7,050	9,101	[1]
Total liabilities and shareholders' equity	$ 10,456	$ 12,083	[1]

[1] The condensed consolidated balance sheet at May 31, 2011 has been derived from the audited consolidated financial statements at that date.