3) Investments: Held-to-maturity Securities (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Amortized Cost	$ 133,271,030	$ 135,018,347
Held-to-maturity Securities, Unrecognized Holding Gain	17,850,887	16,736,557
Held-to-maturity Securities, Unrecognized Holding Loss	(834,880)	(997,529)
HeldToMaturitySecuritiesEstimatedFairValue	150,287,037	150,757,375
US Treasury and Government
Amortized Cost	1,870,964	1,873,146
Held-to-maturity Securities, Unrecognized Holding Gain	361,034	345,715
HeldToMaturitySecuritiesEstimatedFairValue	2,231,998	2,218,861
US States and Political Subdivisions Debt Securities
Amortized Cost	1,984,709	1,736,489
Held-to-maturity Securities, Unrecognized Holding Gain	247,576	221,893
Held-to-maturity Securities, Unrecognized Holding Loss	(4,322)	(5,278)
HeldToMaturitySecuritiesEstimatedFairValue	2,227,963	1,953,104
Corporate Debt Securities
Amortized Cost	124,944,246	126,533,483
Held-to-maturity Securities, Unrecognized Holding Gain	16,894,360	15,841,536
Held-to-maturity Securities, Unrecognized Holding Loss	(830,091)	(980,357)
HeldToMaturitySecuritiesEstimatedFairValue	141,008,515	141,394,662
Collateralized Mortgage Backed Securities
Amortized Cost	3,859,088	4,263,206
Held-to-maturity Securities, Unrecognized Holding Gain	311,980	305,381
Held-to-maturity Securities, Unrecognized Holding Loss	(467)	(11,894)
HeldToMaturitySecuritiesEstimatedFairValue	4,170,601	4,556,693
Redeemable Preferred Stock
Amortized Cost	612,023	612,023
Held-to-maturity Securities, Unrecognized Holding Gain	35,937	22,032
HeldToMaturitySecuritiesEstimatedFairValue	$ 647,960	$ 634,055