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6. Customer and Vendor Concentrations (Details Narrative)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Two Customers Percentage of Sales        
Percent concentration 86.00% 77.00% 83.00% 78.00%
Three Customers Percentage of Receivables        
Percent concentration     86.00% 72.00%
One Supplier Percentage of Purchased Inventory        
Percent concentration 95.00% 98.00% 95.00% 99.00%