v3.6.0.2

STOCKHOLDERS' EQUITY - Common Stock Warrants (Details) $ / shares in Units, $ in Millions	Feb. 27, 2015 shares	Apr. 02, 2014 USD ($) shares	Apr. 02, 2014 USD ($) shares	Dec. 31, 2016 shares	Mar. 25, 2016 shares	Dec. 31, 2015 $ / shares shares
Class of Warrant or Right [Line Items]
Convertible preferred stock warrant liability | $		$ 0.6	$ 0.6
Series B Convertible Preferred Stock Warrants
Class of Warrant or Right [Line Items]
Conversion to common stock warrants, conversion ratio			1.1228
Series C Convertible Preferred Stock Warrants
Class of Warrant or Right [Line Items]
Conversion to common stock warrants, conversion ratio		1
Series E Convertible Preferred Stock Warrants
Class of Warrant or Right [Line Items]
Conversion to common stock warrants, conversion ratio			1
Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Number of shares called by warrant		103,034	103,034
Common Stock
Class of Warrant or Right [Line Items]
Number of shares called by warrant		107,876	107,876		27,715
Number of common stock warrants cancelled					46,168
Convertible preferred stock warrants outstanding				0
Common Stock | Series B And Series C Common Stock Warrants
Class of Warrant or Right [Line Items]
Warrants extension term	1 year
Number of warrants with extension term	73,883
Number of warrants expired						33,993
Common Stock | Series B Common Stock Warrants
Class of Warrant or Right [Line Items]
Convertible preferred stock warrants outstanding						44,280
Exercise price (in dollars per share) | $ / shares						$ 4.057
Common Stock | Series C Common Stock Warrants
Class of Warrant or Right [Line Items]
Convertible preferred stock warrants outstanding						29,603
Exercise price (in dollars per share) | $ / shares						$ 2.768

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- Definition

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ 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)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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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.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ 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)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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