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10) Derivative Commitments: Schedule of Gains and Losses on Derivatives (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Details |  |
Gain (Loss) on Derivatives, Loan Commitments | $ 440,958 | $ 2,167,593
Gain (Loss) on Derivatives, Call and put options | $ 79,171 | $ 134,563

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