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5. Convertible Notes and Warrants (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Convertible Notes and Warrants
   December 31, 
   2018   2017 
         
Convertible note  $1,886,000   $509,000 
Interest   123,000    71,000 
Subtotal   2,009,000    580,000 
Convertible note discount   (1,100,000)   (47,000)
Total  $909,000   $533,000