3) Investments: Residential Real Estate Investment (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Real estate held for investment (net of accumulated depreciation)	$ 113,192,422	$ 102,756,946
Real estate held for sale	10,598,341	14,097,627
Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	19,973,537	12,530,306
Real estate held for sale	4,522,020	8,021,306
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)	1,269,577	2,487,723
Real estate held for sale	1,351,040	1,300,641
Nevada | Residential Real Estate
Real estate held for investment (net of accumulated depreciation)	686,124	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)	17,731,655	9,462,886
Real estate held for sale	2,446,012	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