XML 139 R121.htm IDEA: XBRL DOCUMENT v3.8.0.1
2) Investments: Equity Securities - Additional (Details) - Equity Securities - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Average Market Value of Security over initial investment 77.50% 81.40%
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities $ 280,968 $ 170,358