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STOCK-BASED COMPENSATION PLANS (Details 3) shares in Thousands | 12 Months Ended
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Dec. 31, 2018 $ / shares shares
Outstanding Number of Shares | shares | shares | 1,885
WA Remaining Contractual Life (years) | 6 years 3 months 25 days
WA Outstanding Strike Price | $ 0.80
Exercisable Number of Shares | shares | shares | 1,317
Remaining Exercisable Contractual Life (years) | 5 years 2 months 19 days
WA Exercisable Strike Price | $ 0.44
Exercise Price Range One [Member] |
Exercise Price Minimum | 0
Exercise Price Maximum | $ 1.00
Outstanding Number of Shares | shares | shares | 1,542
WA Remaining Contractual Life (years) | 5 years 8 months 16 days
WA Outstanding Strike Price | $ 0.37
Exercisable Number of Shares | shares | shares | 1,254
Remaining Exercisable Contractual Life (years) | 5 years 1 month 13 days
WA Exercisable Strike Price | $ 0.35
Exercise Price Range Two [Member] |
Exercise Price Minimum | 1.01
Exercise Price Maximum | $ 2.00
Outstanding Number of Shares | shares | shares | 31
WA Remaining Contractual Life (years) | 5 years 29 days
WA Outstanding Strike Price | $ 1.36
Exercisable Number of Shares | shares | shares | 19
Remaining Exercisable Contractual Life (years) | 2 years 6 months 25 days
WA Exercisable Strike Price | $ 1.19
Exercise Price Range Three [Member] |
Exercise Price Minimum | 2.01
Exercise Price Maximum | $ 3.00
Outstanding Number of Shares | shares | shares | 221
WA Remaining Contractual Life (years) | 9 years 3 months 11 days
WA Outstanding Strike Price | $ 2.63
Exercisable Number of Shares | shares | shares | 44
Remaining Exercisable Contractual Life (years) | 9 years 2 months 12 days
WA Exercisable Strike Price | $ 2.63
Exercise Price Range Four [Member] |
Exercise Price Minimum | 3.01
Exercise Price Maximum | $ 4.00
Outstanding Number of Shares | shares | shares | 91
WA Remaining Contractual Life (years) | 9 years 10 months 10 days
WA Outstanding Strike Price | $ 3.44
Exercisable Number of Shares | shares | shares | 0
Remaining Exercisable Contractual Life (years) | 0 years
WA Exercisable Strike Price | $ 0

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&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://fasb.org/us-gaap/role/ref/legacyRef -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=109197908&loc=d3e5070-113901 + Details
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