SIGNIFICANT ACCOUNTING POLICIES (Details 2)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Dividend yield	0.00%	0.00%	0.00%
Forfeiture rate	0.00%	4.00%	4.00%
Maximum [Member]
Expected volatility	52.95%	55.86%	59.40%
Risk-free interest	1.86%	1.74%	1.86%
Expected life	5 years 3 months 18 days	5 years 5 months 5 days	5 years 5 months 5 days
Minimum [Member]
Expected volatility	47.64%	53.32%	54.80%
Risk-free interest	1.11%	1.14%	1.48%
Expected life	4 years 9 months 4 days	4 years 9 months	4 years 8 months 26 days

The forfeiture rates assumption that is used in valuing an option on its own shares.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

Expected term of share-based compensation awards, 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
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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