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DERIVATIVE LIABILITY (Change in Fair Value of Warrants Accounted for as Derivative Liabilities ) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Change in the Fair Value of Warrants
Balance at beginning of period	$ 512us-gaap_DerivativeLiabilitiesCurrent	$ 769us-gaap_DerivativeLiabilitiesCurrent
Decrease in fair value	(66)	(28)
Reduction due to exercise of warrants	0	(229)
Balance at end of period	$ 446us-gaap_DerivativeLiabilitiesCurrent	$ 512us-gaap_DerivativeLiabilitiesCurrent

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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