Quarterly report pursuant to Section 13 or 15(d)

Investments (Details)

v3.8.0.1
Investments (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]      
Trading securities portfolio $ 1,753,000   $ 1,980,000
Gains $ 200 $ 51,000