A roll forward is a reconciliation of a concept from the beginning of a period to the end of the period.

No definition available.

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6939902&loc=d3e20148-110875

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Details

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- Details

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- Details

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- Details

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FAIR VALUE MEASUREMENTS - RECURRING BASIS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Liabilities that are measured at fair value on a recurring basis
Warrants	$ 190		$ 190
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			190
Decrease in fair value	(441)	$ (1,942)	(548)	$ (302)
Balance at June 30, 2017	190		190
Warrants
Liabilities that are measured at fair value on a recurring basis
Warrants	209		757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Decrease in fair value			(548)
Balance at June 30, 2017	209		209
Warrants \| Recurring
Liabilities that are measured at fair value on a recurring basis
Warrants	209		757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Balance at June 30, 2017	209		209
Warrants \| Recurring \| Level 2
Liabilities that are measured at fair value on a recurring basis
Warrants	209		757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Balance at June 30, 2017	209		209
Warrants \| Recurring \| Level 3
Liabilities that are measured at fair value on a recurring basis
Warrants	0		0
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			0
Balance at June 30, 2017	$ 0		$ 0