Note 5 - Plant, Property, and Equipment, Net: Property, Plant and Equipment (Details) - USD ($)	Mar. 31, 2015	Mar. 31, 2014
Details
Machinery and Equipment, Gross	$ 1,495,311	$ 1,461,347
Office Equipment and Automobiles	193,519	192,721
Buildings and Improvements, Gross	12,586,247	12,554,094
Leasehold Improvements, Gross	1,302,465	1,300,369
Property, Plant and Equipment, Gross	15,577,542	15,508,531
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(2,713,381)	(2,123,536)
Plant, property, and equipment, net	$ 12,864,161	$ 13,384,995