STOCK-BASED COMPENSATION (Details 3) - 6 months ended Jun. 30, 2015 - $ / shares	Total
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	103,025
Exercise Price per Common Share	$ 5.863
Stock Options \| Grant year 2005
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	58,321
Exercise Price per Common Share	$ 0.07
Estimated Fair Value per Share of Common Stock	1.79
Intrinsic Value Option	$ 1.72
Stock Options \| Grant year 2009
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	60,559
Estimated Fair Value per Share of Common Stock	$ 4.43
Stock Options \| Grant year 2009 \| Minimum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	0.72
Intrinsic Value Option	3.71
Stock Options \| Grant year 2009 \| Maximum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	0.79
Intrinsic Value Option	$ 3.64
Stock Options \| Grant year 2011
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	33,846
Exercise Price per Common Share	$ 1.00
Estimated Fair Value per Share of Common Stock	1.00
Intrinsic Value Option	$ 0.00
Stock Options \| Grant year 2012
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	60,019
Exercise Price per Common Share	$ 1.14
Estimated Fair Value per Share of Common Stock	1.14
Intrinsic Value Option	$ 0.00
Stock Options \| Grant year 2013
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	100,000
Estimated Fair Value per Share of Common Stock	$ 1.14
Intrinsic Value Option	0.00
Stock Options \| Grant year 2013 \| Minimum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	1.14
Stock Options \| Grant year 2013 \| Maximum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	$ 1.30
Stock Options \| Grant year 2014
Share-based Goods and Nonemployee Services Transaction [Line Items]
Number of Common Shares Underlying Options Granted	1,626,740
Estimated Fair Value per Share of Common Stock	$ 5.86
Intrinsic Value Option	0.00
Stock Options \| Grant year 2014 \| Minimum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	5.86
Stock Options \| Grant year 2014 \| Maximum
Share-based Goods and Nonemployee Services Transaction [Line Items]
Exercise Price per Common Share	$ 13.23

The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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