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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) - shares	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock-based compensation
Options granted (in shares)	1,197,452
Restricted stock granted (in shares)	194,694
Non-employee stock options
Stock-based compensation
Options granted (in shares)		0	0
Restricted stock
Stock-based compensation
Restricted stock granted (in shares)		10,869
Restricted stock | Non-employee
Stock-based compensation
Restricted stock granted (in shares)		0	0

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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X

- 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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X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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