Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a),(c),(d),(e)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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

Derivative Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Derivative Loss (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Derivative loss
Derivative income (loss)	$ (130)		$ (778)
Sentient Loan
Derivative loss
Derivative income (loss)			(800)
Warrant Liability
Derivative loss
Derivative income (loss)		$ (400)	$ (2,300)