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7): Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Loan Commitments    
Fair Value Balance $ 6,809,332 $ 7,671,495
Fair Value, Losses (Gains) included in earnings 1,155,714 (862,163)
Fair Value Balance 7,965,046 6,809,332
Bank Loan Interest Rate Swaps    
Fair Value Balance (3,308) (13,947)
Fair Value, Losses (Gains) included in other comprehensive income 2,616 10,639
Fair Value Balance $ (692) $ (3,308)