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