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8. Notes Payable to Bank (Tables)
9 Months Ended
Sep. 30, 2020
Notes Payable [Abstract]  
Notes payable to bank
    September 30,     December 31,  
    2020     2019  
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   $ 88,585     $ 97,067  
                 
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     62,211       99,999  
                 
Total notes payable to the bank   $ 150,796     $ 197,066