INVESTMENTS (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Available-for-sale Securities , Fair Value less than 1 Year	$ 399	$ 3,160
Available-for-sale Securities ,Unrealized Losses less than 1 Year	(23)	(180)
Available-for-sale Securities , Fair Value greater than 1 Year	703	1,693
Available-for-sale Securities, Unrealized Losses greater than 1 Year	(15)	(86)
Available For Sale Securities ,Total Unrealized Losses	(38)	(266)
Corporate Debt Securities [Member]
Available-for-sale Securities , Fair Value less than 1 Year	399	2,760
Available-for-sale Securities ,Unrealized Losses less than 1 Year	(23)	(178)
Available-for-sale Securities , Fair Value greater than 1 Year	703	1,693
Available-for-sale Securities, Unrealized Losses greater than 1 Year	(15)	(86)
Available For Sale Securities ,Total Unrealized Losses	(38)	(264)
Mortgage-Backed Securities, Issued By Us Government Sponsored Enterprises [Member]
Available-for-sale Securities , Fair Value less than 1 Year	0	400
Available-for-sale Securities ,Unrealized Losses less than 1 Year	0	(2)
Available-for-sale Securities , Fair Value greater than 1 Year	0	0
Available-for-sale Securities, Unrealized Losses greater than 1 Year	0	0
Available For Sale Securities ,Total Unrealized Losses	$ 0	$ (2)