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3. Inventories (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Details    
Inventory, Finished Goods, Gross $ 197,862 $ 137,530
Inventory, Finished Goods, Net of Reserves 27,284 45,539
Write down of inventory to net realizable value $ 0 $ 19,874