8. Fair Value: Schedule of Inputs in Estimation of Fair Value of Level 3 Financial Instruments (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2017	Dec. 31, 2016
Loans held at fair value	$ 4,486,575	$ 4,207,338
Servicing asset	332,016	312,814
Loans Held At Fair Value
Balance at beginning	4,207,000
Origination of loans/additions	279,000
Principal repayments/amortization	(75,000)
Change in fair value of financial instruments	76,000
Balance at ending	4,487,000	4,207,000
Servicing asset [Member]
Balance at beginning	313,000
Origination of loans/additions	28,000
Principal repayments/amortization	(11,000)
Change in fair value of financial instruments	2,000
Balance at ending	332,000	313,000
Fair Value, Inputs, Level 3
Loans held at fair value	4,487,000	4,207,000
Servicing asset	$ 332,000	$ 313,000
Fair Value, Inputs, Level 3 \| Loans Held At Fair Value
Principal valuation technique	Discounted cash flow	Discounted cash flow
Fair Value, Inputs, Level 3 \| Loans Held At Fair Value \| Fair Value, Measurements, Recurring \| Minimum
Constant prepayment rate	7.73%	7.53%
Weighted average discount rate	8.67%	8.11%
Weighted average life	2 years 10 months 25 days	3 years 18 days
Projected default rate	0.71%	0.77%
Fair Value, Inputs, Level 3 \| Loans Held At Fair Value \| Fair Value, Measurements, Recurring \| Maximum
Constant prepayment rate	11.19%	9.62%
Weighted average discount rate	11.34%	10.58%
Weighted average life	9 years 10 months 10 days	9 years 11 months 12 days
Projected default rate	5.03%	6.64%
Fair Value, Inputs, Level 3 \| Servicing asset [Member]
Principal valuation technique	Discounted cash flow	Discounted cash flow
Fair Value, Inputs, Level 3 \| Servicing asset [Member] \| Fair Value, Measurements, Recurring \| Minimum
Constant prepayment rate	5.18%	4.89%
Weighted average discount rate	11.35%	10.50%
Weighted average life	2 years 10 months 25 days	3 years 18 days
Fair Value, Inputs, Level 3 \| Servicing asset [Member] \| Fair Value, Measurements, Recurring \| Maximum
Constant prepayment rate	9.71%	9.96%
Weighted average discount rate	16.24%	15.31%
Weighted average life	9 years 7 months 21 days	9 years 8 months 12 days

Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Principal valuation technique.

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Weighted average discount rate.

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