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Note 3 - Inventories: Schedule of Inventory (Details) - USD ($)
Dec. 31, 2018
Mar. 31, 2018
Details    
Raw Materials $ 2,023,012 $ 233,138
Packaging materials 362,698 652,179
Work-in-process 277,078 686,234
Finished goods 916,703 811,831
Inventories $ 3,579,491 $ 2,383,382