3) Investments: Schedule of aging of mortgage loans (Details) - USD ($)		6 Months Ended	12 Months Ended
		Jun. 30, 2019	Dec. 31, 2018
Mortgage Loans during period		$ 190,815,365	$ 189,088,071
Mortgage Loans, Allowance for Loan Losses		(1,292,914)	(1,347,972)
Mortgage Loans, Unamortized deferred loan fees, net		(1,200,446)	(1,275,030)
Commercial Loan
Mortgage Loans during period		32,009,118	27,785,927
Mortgage Loans, Allowance for Loan Losses		(187,129)	(187,129)
Mortgage Loans, Unamortized deferred loan fees, net		(4,140)	32,003
Residential Mortgage
Mortgage Loans during period		84,093,609	89,935,600
Mortgage Loans, Allowance for Loan Losses		(1,062,583)	(1,125,623)
Mortgage Loans, Unamortized deferred loan fees, net		(736,845)	(862,411)
Residential construction
Mortgage Loans during period		74,712,638	71,366,544
Mortgage Loans, Allowance for Loan Losses		(43,202)	(35,220)
Mortgage Loans, Unamortized deferred loan fees, net		(459,461)	(444,622)
Past Due 30 to 59 Days
Mortgage Loans during period		13,571,073	14,487,804
Past Due 30 to 59 Days | Commercial Loan
Mortgage Loans during period		233,200	4,588,424
Past Due 30 to 59 Days | Residential Mortgage
Mortgage Loans during period		8,042,198	9,899,380
Past Due 30 to 59 Days | Residential construction
Mortgage Loans during period		5,295,675	0
Past Due 60 to 89 Days
Mortgage Loans during period		3,730,959	2,312,252
Past Due 60 to 89 Days | Commercial Loan
Mortgage Loans during period		1,500,000	0
Past Due 60 to 89 Days | Residential Mortgage
Mortgage Loans during period		1,915,051	2,312,252
Past Due 60 to 89 Days | Residential construction
Mortgage Loans during period		315,908	0
Past Due 90 or More Days
Mortgage Loans during period	[1]	2,909,388	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]	2,662,534	1,715,362
Past Due 90 or More Days | Residential construction
Mortgage Loans during period	[1]	246,854	0
In Foreclosure
Mortgage Loans during period	[1]	6,656,835	1,727,280
In Foreclosure | Commercial Loan
Mortgage Loans during period	[1]	655,499	0
In Foreclosure | Residential Mortgage
Mortgage Loans during period	[1]	1,927,067	1,224,289
In Foreclosure | Residential construction
Mortgage Loans during period	[1]	4,074,269	502,991
Total Past Due
Mortgage Loans during period		26,868,255	20,438,880
Total Past Due | Commercial Loan
Mortgage Loans during period		2,388,699	4,784,606
Total Past Due | Residential Mortgage
Mortgage Loans during period		14,546,850	15,151,283
Total Past Due | Residential construction
Mortgage Loans during period		9,932,706	502,991
Current
Mortgage Loans during period		163,947,110	168,649,191
Current | Commercial Loan
Mortgage Loans during period		29,620,419	23,001,321
Current | Residential Mortgage
Mortgage Loans during period		69,546,759	74,784,317
Current | Residential construction
Mortgage Loans during period		64,779,932	70,863,553
Net Mortgage Loans
Mortgage Loans during period		188,322,005	186,465,069
Net Mortgage Loans | Commercial Loan
Mortgage Loans during period		31,817,849	27,630,801
Net Mortgage Loans | Residential Mortgage
Mortgage Loans during period		82,294,181	87,947,566
Net Mortgage Loans | Residential construction
Mortgage Loans during period		$ 74,209,975	$ 70,886,702

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