Note 2 - Summary of Significant Accounting Policies: Property and Equipment: Schedule of Property and Equipment, Useful Life (Details)	12 Months Ended
	Mar. 31, 2018
Building | Minimum
Property, Plant and Equipment, Useful Life	10 years
Building | Maximum
Property, Plant and Equipment, Useful Life	35 years
Machinery and Equipment | Minimum
Property, Plant and Equipment, Useful Life	3 years
Machinery and Equipment | Maximum
Property, Plant and Equipment, Useful Life	20 years
Office Equipment | Minimum
Property, Plant and Equipment, Useful Life	3 years
Office Equipment | Maximum
Property, Plant and Equipment, Useful Life	10 years
Leasehold Improvements | Minimum
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements | Maximum
Property, Plant and Equipment, Useful Life	30 years