8. Fair Value: Schedule of Fair Value of Financial Instruments at Year-End (Details) - USD ($)	Jun. 30, 2017		Dec. 31, 2016
Assets:
Loans, net of allowance for loan losses	$ 25,344,828		$ 26,534,607
Servicing asset	332,016		312,814
Liabilities:
Savings deposits	11,820,924		11,735,512
Accrued interest payable	13,982		10,997
Carrying Amount
Assets:
Loans, net of allowance for loan losses	25,345,000	[1]	26,534,000	[2]
Liabilities:
Time deposits	8,893,000	[2]	10,411,000	[1]
Fair Value
Assets:
Loans, net of allowance for loan losses	25,653,000	[1]	26,617,000	[2]
Liabilities:
Time deposits	8,888,000	[2]	10,395,000	[1]
Fair Value, Inputs, Level 1
Assets:
Servicing asset	0		0
Fair Value, Inputs, Level 1 | Carrying Amount
Assets:
Cash and cash equivalents	10,766,000		7,803,000
Fair Value, Inputs, Level 1 | Fair Value
Assets:
Cash and cash equivalents	10,766,000		7,803,000
Fair Value, Inputs, Level 2
Assets:
Servicing asset	0		0
Fair Value, Inputs, Level 2 | Carrying Amount
Assets:
Accrued interest receivable	120,000		141,000
Liabilities:
Demand Deposits	31,621,000		28,497,000
Savings deposits	11,821,000		11,735,000
Accrued interest payable	14,000		11,000
Fair Value, Inputs, Level 2 | Fair Value
Assets:
Accrued interest receivable	120,000		141,000
Liabilities:
Demand Deposits	31,621,000		28,497,000
Savings deposits	11,821,000		11,735,000
Accrued interest payable	13,000		11,000
Fair Value, Inputs, Level 3
Assets:
Servicing asset	332,000		313,000
Fair Value, Inputs, Level 3 | Carrying Amount
Assets:
Servicing asset	332,000		313,000
Fair Value, Inputs, Level 3 | Fair Value
Assets:
Servicing asset	$ 332,000		$ 313,000

[1] Level 1 for variable rate instruments, level 3 for fixed rate instruments.

[2] Level 2 for non-impaired loans; Level 3 for impaired loans.