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8. Note Payable to Bank (Tables)
3 Months Ended
Mar. 31, 2020
Notes Payable [Abstract]  
Summary of notes payable to bank
    March 31,     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   $ 99,923     $ 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     99,631       99,999  
                 
Total notes payable to the bank   $ 199,554     $ 197,066