Quarterly report pursuant to Section 13 or 15(d)

Trading Securities (Schedule Of Change In Investment In Securities) (Details)

v3.7.0.1
Trading Securities (Schedule Of Change In Investment In Securities) (Details) - Trading Securities [Member]
6 Months Ended
Jun. 30, 2017
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Fair Value at Beginning of Year $ 59,000
Purchases
Proceeds from Sale
Gain on Sale
Unrealized Loss (27,000)
Fair Value at June 30, 2017 $ 32,000