INVESTMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	$ 592	$ 3,026
Gross Unrealized Losses	(1)	(132)
Gross Unrealized Gains	2	17
Fair Value	593us-gaap_AvailableForSaleSecurities	2,911us-gaap_AvailableForSaleSecurities
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	592	789
Gross Unrealized Losses	(1)	(1)
Gross Unrealized Gains	2	17
Fair Value	593	805
Government sponsored enterprise mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis		102
Gross Unrealized Losses		0
Gross Unrealized Gains		0
Fair Value		102
Mutual funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis		2,135
Gross Unrealized Losses		(131)
Gross Unrealized Gains		0
Fair Value		$ 2,004

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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-Name Accounting Standards Codification

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