Note 7 - Property, Plant and Equipment: Property, Plant and Equipment (Details) (USD $)	Feb. 28, 2014	May 31, 2013	Feb. 28, 2013
Property, Plant and Equipment, Gross	$ 6,117,263	$ 6,002,712
Less: Accumulated depreciation	(4,648,267)	(4,102,151)
Property, Plant and Equipment, Net, Total	1,468,996	1,900,561	1,468,996
Computer Equipment
Property, Plant and Equipment, Gross	575,356	587,392
Technology Equipment
Property, Plant and Equipment, Gross	5,172,229	5,048,888
Furniture and Fixtures
Property, Plant and Equipment, Gross	207,160	205,308
Vehicles
Property, Plant and Equipment, Gross	127,034	125,871
Leasehold Improvements
Property, Plant and Equipment, Gross	$ 35,484	$ 35,253