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5. Related Party Transactions: Related Party Principal Payments (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Details    
Long-term Debt, Maturities, Repayments of Principal in Year Two $ 33,895  
Long-term Debt, Maturities, Repayments of Principal in Year Three 222,035  
Total $ 255,930 $ 236,827