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Note 3 - Inventories: Schedule of Inventory (Details) - USD ($)
Sep. 30, 2018
Mar. 31, 2018
Details    
Raw Materials $ 786,007 $ 233,138
Packaging materials 190,477 652,179
Work-in-process 152,051 686,234
Finished goods 818,727 811,831
Inventories $ 1,947,262 $ 2,383,382