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5. Convertible Notes (Tables)
6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Convertible Notes and Warrants
  

June 30,

2017

  

December 31,

2016

 
   (unaudited)     
         
Convertible notes outstanding  $787,000   $417,000 
Accrued interest   43,000    23,000 
Subtotal   830,000    440,000 
Unamortized note discounts   (327,000)   (92,000)
Balance on convertible notes, net of note discounts  $503,000   $348,000