CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except for share and per share data) (USD $)	3 Months Ended	6 Months Ended
Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Revenues {1}
Products	$ 376	$ 478	$ 618	$ 693
Services	1,038	1,194	2,172	2,359
Royalties from sale of patents	0	100	0	290
Total revenue	1,414	1,772	2,790	3,342
Products.	28	24	62	49
Services.	264	323	572	631
Total cost of revenue	292	347	634	680
Gross margin	1,122	1,425	2,156	2,662
Research and development expenses	304	323	639	567
Selling, general and administrative expenses	866	789	1,747	1,547
Gain on sale of product line	(91)	0	(91)	0
Operating income	43	313	(139)	548
Interest expense	104	69	199	134
Other Income	(17)	(8)	(28)	(11)
Net income (loss)	$ (44)	$ 252	$ (310)	$ 425
Basic and diluted net income (loss) per share:	$ (0.05)	$ 0.25	$ (0.35)	$ 0.43
Weighted average common shares outstanding-basic	875,135	995,468	888,140	995,295
Weighted average number of common stock outstanding - diluted	875,135	997,751	888,140	996,572

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