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9. Notes Payable to Bank (Tables) | 12 Months Ended
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Dec. 31, 2018
Debt Disclosure [Abstract] |
Summary of notes payable to bank |
At December 31, 2018 and 2017, the Company had the following notes payable to bank: |  |  |  |
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
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 |  | $ | 83,918 |  |  | $ | 98,863 |
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 |  |  |  | 93,702 |
Total notes payable to the bank |  | $ | 183,917 |  |  | $ | 192,565 |

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