5. Investment Securities: Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Amortized Cost, due in one year	$ 0
Fair Value, due in one year	0
Amortized Cost, due after one year through five years	0
Fair Value, due after one year through five years	0
Amortized Cost, due after five years through ten years	2,349,000
Fair Value, due after five years through ten years	2,280,000
Available-for-sale Securities, Amortized Cost Basis	5,538,000	$ 5,673,000
Investment securities available-for-sale, at fair value	5,457,863	5,578,159
Total debt securities, Amortized Cost Basis	5,408,000
Total debt securities, Fair Value	5,328,000
Government Sponsored Enterprises residential mortgage-backed securities
Available-for-sale Securities, Amortized Cost Basis	3,059,000	3,193,000
Investment securities available-for-sale, at fair value	3,048,000	3,180,000
Investments in money market funds
Available-for-sale Securities, Amortized Cost Basis	130,000	130,000
Investment securities available-for-sale, at fair value	$ 130,000	$ 130,000