v2.4.1.9

INCOME TAXES (Schedule of Valuation Allowance on Deferred Assets) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
INCOME TAXES [Abstract] |  |  |
At the beginning of the year | $ 5,217 us-gaap_DeferredTaxAssetsValuationAllowance | $ 3,535 us-gaap_DeferredTaxAssetsValuationAllowance | $ 1,912 us-gaap_DeferredTaxAssetsValuationAllowance
Change for the year | 4,299 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | 1,682 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount | 1,623 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
At end of the year | $ 9,516 us-gaap_DeferredTaxAssetsValuationAllowance | $ 5,217 us-gaap_DeferredTaxAssetsValuationAllowance | $ 3,535 us-gaap_DeferredTaxAssetsValuationAllowance

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration