3) Investments: Schedule of aging of mortgage loans (Details) - USD ($)		9 Months Ended	12 Months Ended
		Sep. 30, 2019	Dec. 31, 2018
Mortgage Loans during period		$ 199,176,565	$ 189,088,071
Mortgage Loans, Allowance for Loan Losses		(1,301,476)	(1,347,972)
Mortgage Loans, Unamortized deferred loan fees, net		(1,366,186)	(1,275,030)
Commercial Loan
Mortgage Loans during period		26,720,812	27,785,927
Mortgage Loans, Allowance for Loan Losses		(187,129)	(187,129)
Mortgage Loans, Unamortized deferred loan fees, net		(6,647)	32,003
Residential Mortgage
Mortgage Loans during period		79,853,121	89,935,600
Mortgage Loans, Allowance for Loan Losses		(1,071,145)	(1,125,623)
Mortgage Loans, Unamortized deferred loan fees, net		(637,408)	(862,411)
Residential construction
Mortgage Loans during period		92,602,632	71,366,544
Mortgage Loans, Allowance for Loan Losses		(43,202)	(35,220)
Mortgage Loans, Unamortized deferred loan fees, net		(722,131)	(444,622)
Past Due 30 to 59 Days
Mortgage Loans during period		10,179,405	14,487,804
Past Due 30 to 59 Days | Commercial Loan
Mortgage Loans during period		1,500,000	4,588,424
Past Due 30 to 59 Days | Residential Mortgage
Mortgage Loans during period		8,478,442	9,899,380
Past Due 30 to 59 Days | Residential construction
Mortgage Loans during period		200,963	0
Past Due 60 to 89 Days
Mortgage Loans during period		2,183,228	2,312,252
Past Due 60 to 89 Days | Commercial Loan
Mortgage Loans during period		0	0
Past Due 60 to 89 Days | Residential Mortgage
Mortgage Loans during period		1,745,409	2,312,252
Past Due 60 to 89 Days | Residential construction
Mortgage Loans during period		437,819	0
Past Due 90 or More Days
Mortgage Loans during period	[1]	4,009,589	1,911,544
Past Due 90 or More Days | Commercial Loan
Mortgage Loans during period	[1]	0	196,182
Past Due 90 or More Days | Residential Mortgage
Mortgage Loans during period	[1]	3,659,589	1,715,362
Past Due 90 or More Days | Residential construction
Mortgage Loans during period	[1]	350,000	0
In Foreclosure
Mortgage Loans during period	[1]	811,216	1,727,280
In Foreclosure | Commercial Loan
Mortgage Loans during period	[1]	0	0
In Foreclosure | Residential Mortgage
Mortgage Loans during period	[1]	811,216	1,224,289
In Foreclosure | Residential construction
Mortgage Loans during period	[1]	0	502,991
Total Past Due
Mortgage Loans during period		17,183,438	20,438,880
Total Past Due | Commercial Loan
Mortgage Loans during period		1,500,000	4,784,606
Total Past Due | Residential Mortgage
Mortgage Loans during period		14,694,656	15,151,283
Total Past Due | Residential construction
Mortgage Loans during period		988,782	502,991
Current
Mortgage Loans during period		181,993,127	168,649,191
Current | Commercial Loan
Mortgage Loans during period		25,220,812	23,001,321
Current | Residential Mortgage
Mortgage Loans during period		65,158,465	74,784,317
Current | Residential construction
Mortgage Loans during period		91,613,850	70,863,553
Net Mortgage Loans
Mortgage Loans during period		196,508,903	186,465,069
Net Mortgage Loans | Commercial Loan
Mortgage Loans during period		26,527,036	27,630,801
Net Mortgage Loans | Residential Mortgage
Mortgage Loans during period		78,144,568	87,947,566
Net Mortgage Loans | Residential construction
Mortgage Loans during period		$ 91,837,299	$ 70,886,702

[1] There was not any interest income recognized on loans past due greater than 90 days or in foreclosure.