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

Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

+ 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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- Details

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- Details

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- Details

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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Liabilities that are measured at fair value on a recurring basis
Warrants	$ 190		$ 190		$ 190	$ 190
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			190
Increase in fair value	1,060	$ 203	512	$ (99)
Balance at September 30, 2017	190		190
Level 2 \| Silicon Valley Bank \| Line of Credit \| Revolving Credit Facility
Change in the estimated fair value of warrant liabilities
Lines of credit, fair value					10,000	10,100
Warrants
Liabilities that are measured at fair value on a recurring basis
Warrants	1,269		757		1,269	757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Increase in fair value			512
Balance at September 30, 2017	1,269		1,269
Warrants \| Recurring
Liabilities that are measured at fair value on a recurring basis
Warrants	1,269		757		1,269	757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Balance at September 30, 2017	1,269		1,269
Warrants \| Recurring \| Level 2
Liabilities that are measured at fair value on a recurring basis
Warrants	1,269		757		1,269	757
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			757
Balance at September 30, 2017	1,269		1,269
Warrants \| Recurring \| Level 3
Liabilities that are measured at fair value on a recurring basis
Warrants	0		0		$ 0	$ 0
Change in the estimated fair value of warrant liabilities
Balance at December 31, 2016			0
Balance at September 30, 2017	$ 0		$ 0