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STOCK OPTION PLANS (Details 1) | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
2015 Equity Incentive Plan [Member] |
Number of options outstanding | shares | 5,112,967
Number of Options exercisable | shares | 2,471,135
2015 Equity Incentive Plan [Member] | $2.31 - 4.45 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit | $ 2.31
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 4.45
Number of options outstanding | shares | 2,723,092
Weighted average Remaining life in years | 8 years 10 months 24 days
Weighted average Exercise Price | $ 3.64
Number of Options exercisable | shares | 1,137,177
Weighted-average Remaining life in years | 8 years 10 months 24 days
Weighted-average Exercise price | $ 3.31
2015 Equity Incentive Plan [Member] | $7.34 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 7.34
Number of options outstanding | shares | 1,497,875
Weighted average Remaining life in years | 8 years
Weighted average Exercise Price | $ 7.34
Number of Options exercisable | shares | 1,333,958
Weighted-average Remaining life in years | 8 years
Weighted-average Exercise price | $ 7.34
2015 Equity Incentive Plan [Member] | $16.00 - 16.70 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit | 16.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 16.70
Number of options outstanding | shares | 892,000
Weighted average Remaining life in years | 10 years
Weighted average Exercise Price | $ 16.06
Number of Options exercisable | shares | 0
Weighted-average Remaining life in years | 10 years
Weighted-average Exercise price | $ 0
2005 Equity Incentive Plan [Member] |
Number of options outstanding | shares | 316,760
Number of Options exercisable | shares | 316,760
2005 Equity Incentive Plan [Member] | $3.25 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 3.25
Number of options outstanding | shares | 120,000
Weighted average Remaining life in years | 3 years
Weighted average Exercise Price | $ 3.25
Number of Options exercisable | shares | 120,000
Weighted-average Remaining life in years | 3 years
Weighted-average Exercise price | $ 3.25
2005 Equity Incentive Plan [Member] | $11.50 - 18.50 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit | 11.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 18.50
Number of options outstanding | shares | 189,000
Weighted average Remaining life in years | 7 years
Weighted average Exercise Price | $ 18.35
Number of Options exercisable | shares | 189,000
Weighted-average Remaining life in years | 7 years
Weighted-average Exercise price | $ 18.35
2005 Equity Incentive Plan [Member] | $30.50 - 150.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit | 30.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit | $ 150.00
Number of options outstanding | shares | 7,760
Weighted average Remaining life in years | 3 years 2 months 12 days
Weighted average Exercise Price | $ 86.79
Number of Options exercisable | shares | 7,760
Weighted-average Remaining life in years | 3 years 2 months 12 days
Weighted-average Exercise price | $ 86.79

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of exercisable stock options, 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 (e)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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