17. Summary of Quarterly Results (unaudited): Schedule of Condensed Income Statement (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
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Interest income	$ 614,000	$ 642,000	$ 737,000	$ 593,000	$ 609,000	$ 636,000	$ 630,000	$ 712,000	$ 2,587,393	$ 2,587,325
Interest expense	17,000	17,000	16,000	16,000	17,000	17,000	17,000	18,000	65,972	69,077
Net interest income	597,000	625,000	721,000	577,000	592,000	619,000	613,000	694,000	2,521,421	2,518,248
(Credit) provision for loan losses	(19,000)	(45,000)	30,000	(35,000)	(51,000)	83,000	(40,000)	(60,000)	(69,000)	(68,000)
Net interest after provision for loan losses	616,000	670,000	691,000	612,000	643,000	536,000	653,000	754,000	2,590,421	2,586,248
Total noninterest income	538,000	392,000	705,000	288,000	420,000	334,000	307,000	336,000	1,922,858	1,396,913
Noninterest expense	1,146,000	1,162,000	1,080,000	1,099,000	1,245,000	1,080,000	1,078,000	1,075,000	4,488,742	4,477,936
Net income (loss)	$ 8,000	$ (100,000)	$ 316,000	$ (199,000)	$ (182,000)	$ (210,000)	$ (118,000)	$ 15,000	$ 24,537	$ (494,775)
Basic income (loss) per common share	$ 0.01	$ (0.12)	$ 0.38	$ (0.24)	$ (0.21)	$ (0.24)	$ (0.13)	$ 0.01	$ 0.03	$ (0.57)
Diluted income (loss) per common share	$ 0.01	$ (0.12)	$ 0.38	$ (0.24)	$ (0.21)	$ (0.24)	$ (0.13)	$ 0.01	$ 0.03	$ (0.57)