10) Derivative Commitments: Schedule of Derivative Assets at Fair Value (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Loan Commitments
Derivative, Notional Amount	$ 179,148,085	$ 93,758,218
Derivative Asset, Notional Amount	2,849,706	1,969,967
Derivative Liability, Notional Amount	325,363	378,151
Call Options
Derivative, Notional Amount	1,881,800	805,500
Derivative Asset, Notional Amount	0	0
Derivative Liability, Notional Amount	50,305	4,629
Put Options
Derivative, Notional Amount	3,218,200	4,861,700
Derivative Asset, Notional Amount	0	0
Derivative Liability, Notional Amount	89,733	296,053
Net Derivatives Loan Commitments
Derivative, Notional Amount	184,248,085	99,425,418
Derivative Asset, Notional Amount	2,849,706	1,969,967
Derivative Liability, Notional Amount	$ 465,401	$ 678,833