INCOME TAXES (Details 3) - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
State
Net operating loss carryforwards
Available net operating loss carryforwards as of the end of the year	$ 34,184	$ 16,354
U.S. federal
Net operating loss carryforwards
Available net operating loss carryforwards as of the end of the year	$ 78,276	$ 60,380

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant