Derivative Financial Instruments (Details 4) (Derivative instrument liability, Warrants, Significant Unobservable Inputs (Level 3), USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Derivative instrument liability \| Warrants \| Significant Unobservable Inputs (Level 3)
Changes in the fair value of Level 3 liabilities
Balance at the beginning of the period	$ 172
(Gain) or loss recognized in earning from Change in Fair Value	268
Balance at the end of the period	$ 440

Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those liabilities still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration