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Investments (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Cost $ 1,760 $ 2,333
Unrealized Gains 108 66
Unrealized Losses (105) (183)
Fair Value 1,763 2,216
Common stocks & ETF's [Member]    
Cost 654 690
Unrealized Gains 59 17
Unrealized Losses 66 (94)
Fair Value 647 613
Mutual Funds [Member]    
Cost 18 27
Unrealized Gains 1
Unrealized Losses (1)
Fair Value 19 26
Preferred Securities [Member]    
Cost 97 98
Unrealized Gains 9 6
Unrealized Losses
Fair Value 106 104
Corporate Bond [Member]    
Cost 991 1,518
Unrealized Gains 39 43
Unrealized Losses (39) (88)
Fair Value $ 991 $ 1,473