STOCK OPTIONS (Details 2) - Option [Member]	3 Months Ended
May 31, 2016 $ / shares shares
Options exercisable \| shares	214,243
Exercise Price \| $ / shares	$ 18.28
Weighted Average Remaining Life (years)	6 years 7 months 17 days
Exercisable \| Exercise Price 1
Options exercisable \| shares	0
Exercise Price \| $ / shares	$ 2.19
Weighted Average Remaining Life (years)	0 years
Exercisable \| Exercise Price 2
Options exercisable \| shares	13,875
Exercise Price \| $ / shares	$ 3.55
Weighted Average Remaining Life (years)	9 years 8 months 5 days
Exercisable \| Exercise Price 3
Options exercisable \| shares	1,068
Exercise Price \| $ / shares	$ 8.1
Weighted Average Remaining Life (years)	8 years 8 months 1 day
Exercisable \| Exercise Price 4
Options exercisable \| shares	75,003
Exercise Price \| $ / shares	$ 8.25
Weighted Average Remaining Life (years)	4 years 4 months 10 days
Exercisable \| Exercise Price 5
Options exercisable \| shares	52,434
Exercise Price \| $ / shares	$ 10.2
Weighted Average Remaining Life (years)	5 years 7 months 10 days
Exercisable \| Exercise Price 6
Options exercisable \| shares	3,334
Exercise Price \| $ / shares	$ 11.25
Weighted Average Remaining Life (years)	8 years 11 months 19 days
Exercisable \| Exercise Price 7
Options exercisable \| shares	8,890
Exercise Price \| $ / shares	$ 16.5
Weighted Average Remaining Life (years)	8 years 4 months 17 days
Exercisable \| Exercise Price 8
Options exercisable \| shares	14,735
Exercise Price \| $ / shares	$ 22.5
Weighted Average Remaining Life (years)	8 years 1 month 28 days
Exercisable \| Exercise Price 9
Options exercisable \| shares	44,904
Exercise Price \| $ / shares	$ 48.75
Weighted Average Remaining Life (years)	6 years 10 months 6 days
Exercisable \| Exercise Price 10
Options exercisable \| shares	214,243
Exercise Price \| $ / shares	$ 18.28
Weighted Average Remaining Life (years)	6 years 7 months 17 days
Unexercisable \| Exercise Price 1
Number of Options \| shares	100,000
Exercise Price \| $ / shares	$ 2.19
Weighted Average Remaining Life (years)	9 years 11 months 26 days
Unexercisable \| Exercise Price 2
Number of Options \| shares	41,625
Exercise Price \| $ / shares	$ 3.55
Weighted Average Remaining Life (years)	9 years 8 months 5 days
Unexercisable \| Exercise Price 3
Number of Options \| shares	0
Exercise Price \| $ / shares	$ 8.1
Weighted Average Remaining Life (years)	0 years
Unexercisable \| Exercise Price 4
Number of Options \| shares	106
Exercise Price \| $ / shares	$ 8.25
Weighted Average Remaining Life (years)	9 years
Unexercisable \| Exercise Price 5
Number of Options \| shares	0
Exercise Price \| $ / shares	$ 10.2
Weighted Average Remaining Life (years)	0 years
Unexercisable \| Exercise Price 6
Number of Options \| shares	3,333
Exercise Price \| $ / shares	$ 11.25
Weighted Average Remaining Life (years)	8 years 11 months 19 days
Unexercisable \| Exercise Price 7
Number of Options \| shares	31,110
Exercise Price \| $ / shares	$ 16.5
Weighted Average Remaining Life (years)	8 years 4 months 17 days
Unexercisable \| Exercise Price 8
Number of Options \| shares	30,000
Exercise Price \| $ / shares	$ 22.5
Weighted Average Remaining Life (years)	7 years 6 months 18 days
Unexercisable \| Exercise Price 9
Number of Options \| shares	0
Exercise Price \| $ / shares	$ 48.75
Weighted Average Remaining Life (years)	0 years
Unexercisable \| Exercise Price 10
Number of Options \| shares	312,733
Exercise Price \| $ / shares	$ 7.91
Weighted Average Remaining Life (years)	9 years 2 months 16 days

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option 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)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

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