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Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Cost $ 2,540 $ 2,333
Unrealized Gains 134 66
Unrealized Losses (190) (183)
Fair Value 2,484 2,216
Common stocks & ETF's [Member]    
Cost 673 690
Unrealized Gains 38 17
Unrealized Losses (92) (94)
Fair Value 619 613
Mutual Funds [Member]    
Cost $ 27 $ 27
Unrealized Gains
Unrealized Losses $ (1)
Fair Value $ 27 26
Preferred Securities [Member]    
Cost 97 98
Unrealized Gains $ 3 $ 6
Unrealized Losses
Fair Value $ 100 $ 104
Corporate Bond [Member]    
Cost 1,743 1,518
Unrealized Gains 93 43
Unrealized Losses (98) (88)
Fair Value $ 1,738 $ 1,473