3) Investments: Residential Real Estate Investment (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Real estate held for investment (net of accumulated depreciation)	$ 102,916,419	$ 102,756,946
Real estate held for sale	11,724,432	14,097,627
Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	91,976,650	90,226,640
Real estate held for sale	6,076,321	6,076,321
California | Residential Real Estate
Real estate held for sale	421,452	640,452
Florida | Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	2,166,615	2,487,723
Real estate held for sale	858,221	1,300,641
Nevada | Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	0	293,516
Real estate held for sale	293,516	0
Ohio | Residential Real Estate
Real estate held for sale	10,000	10,000
Utah | Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	8,486,973	9,462,886
Real estate held for sale	4,064,922	5,880,213
Washington | Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	286,181	286,181
Real estate held for sale	$ 0	$ 190,000