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Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Cost | $ 2,208 | $ 3,104 | $ 2,499
Unrealized Gains | 66 | 22 | 114
Unrealized Losses | (183) | (347) | (97)
Fair Value | 2,091 | 2,779 | 2,516
Corporate Bond [Member] |  |  |
Cost | 1,393 | 1,949 | 973
Unrealized Gains | 43 | 2 | 1
Unrealized Losses | (88) | (270) | (49)
Fair Value | 1,348 | 1,680 | 925
Preferred Securities [Member] |  |  |
Cost | 98 | 180 | 465
Unrealized Gains | 6 |  | 13
Unrealized Losses |  | (2) | (16)
Fair Value | 104 | 178 | 462
Common stocks & ETF's [Member] |  |  |
Cost | 690 | 530 | 1,006
Unrealized Gains | 17 | 20 | 98
Unrealized Losses | (94) | (64) | (32)
Fair Value | 613 | 486 | 1,072
Mutual Funds [Member] |  |  |
Cost | 27 | 445 | 55
Unrealized Gains |  |  | 2
Unrealized Losses | (1) | (11) |
Fair Value | $ 26 | $ 435 | $ 57

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