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12. Warrants (Tables)
12 Months Ended
Dec. 31, 2019
Warrants and Rights Note Disclosure [Abstract]  
Schedule of warrant activity
       Weighted 
       Average 
   Number   Exercise 
   of Shares   Prices 
Balance, December 31, 2017   1,450   $3.00 
Warrants expired        
Warrants cancelled        
Warrants granted        
Warrants exercised   (150)   (3.00)
Balance, December 31, 2018   1,300    3.00 
Warrants expired        
Warrants cancelled        
Warrants granted        
Warrants exercised        
Balance, December 31, 2019   1,300   $3.00 
           
Exercisable, December 31, 2019   1,300   $3.00