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8. Note Payable to Bank (Tables)
 9 Months Ended
Sep. 30, 2019
Notes Payable [Abstract]  
Summary of notes payable to bank
    September 30,     December 31,  
    2019     2018  
Promissory note payable to First Security Bank of Missoula,            
bearing interest at 3.150%, payable on demand, collateralized            
by a lien on Certificate of Deposit   $ 99,999     $ 83,918  
                 
Promissory note payable to First Security Bank of Missoula,                
bearing interest at 3.150%, payable on demand, collateralized                
by a lien on Certificate of Deposit     98,229       99,999  
Total notes payable to the bank   $ 198,228     $ 183,917