3) Investments: Residential Real Estate Investment (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	$ 116,234,204	$ 114,852,432
Residential Real Estate 1
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	78,999,546	81,672,035
Residential Real Estate 1 | ArizonaMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	749,067	944,614
Residential Real Estate 1 | CaliforniaMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	5,705,414	6,158,253
Residential Real Estate 1 | ColoradoMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	454,996	553,230
Residential Real Estate 1 | FloridaMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	8,565,629	9,203,624
Residential Real Estate 1 | IllinoisMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015		165,800
Residential Real Estate 1 | OklahomaMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	98,667	99,862
Residential Real Estate 1 | OhioMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	46,658
Residential Real Estate 1 | OregonMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015		120,000
Residential Real Estate 1 | SouthCarolinaMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	672,049	823,872
Residential Real Estate 1 | TexasMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	1,272,794	1,198,860
Residential Real Estate 1 | UtahMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	61,148,091	62,117,738
Residential Real Estate 1 | WashingtonMember
Real estate held for investment, net of accumulated depreciation of $14,210,346 and $12,210,346 for 2016 and 2015	$ 286,181	$ 286,182