Segments Information -Revenue (Details) (USD $)	3 Months Ended		9 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2013	Feb. 29, 2012
North America Revenue	$ 1,148	$ 1,226	$ 3,561	$ 3,611
Europe Revenue	358	419	1,293	1,308
Asia Revenue	157	153	444	477
Eliminations Revenue	(204)	(138)	(498)	(467)
Consolidated Revenue Total	$ 1,459	$ 1,660	$ 4,800	$ 4,929