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6. Customer and Vendor Concentrations (Details Narrative)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Two Customers Percentage of Sales    
Percent concentration 86.00% 81.00%
Two Customers Percentage of Receivables    
Percent concentration 73.00%  
Two Suppliers Percentage of Purchased Inventory    
Percent concentration 99.00%  
Three Customers Percentage of Receivables    
Percent concentration   67.00%
One Supplier Percentage of Purchased Inventory    
Percent concentration   99.00%