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STOCK-BASED COMPENSATION (Details 2) | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 4,602,000
Weighted Averaged Remaining Life | 4 years 2 months 23 days
Weighted Averaged Exercise Price | $ / shares | $ 1.82
Vested Options |
Number Exercisable at December 31, 2017 | shares | 3,251,000
Weighted Averaged Exercise Price | $ / shares | $ 1.09
Weighted Averaged Remaining Life | 3 years 7 months 24 days
$0.20 - $0.53 [Member] |
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 1,135,000
Weighted Averaged Remaining Life | 3 years 5 months 23 days
Weighted Averaged Exercise Price | $ / shares | $ 0.26
Vested Options |
Number Exercisable at December 31, 2017 | shares | 1,135,000
Weighted Averaged Exercise Price | $ / shares | $ 0.26
Weighted Averaged Remaining Life | 3 years 5 months 23 days
$0.65 - $1.80 [Member] |
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 1,062,000
Weighted Averaged Remaining Life | 2 years 5 months 8 days
Weighted Averaged Exercise Price | $ / shares | $ 0.86
Vested Options |
Number Exercisable at December 31, 2017 | shares | 1,016,000
Weighted Averaged Exercise Price | $ / shares | $ 0.85
Weighted Averaged Remaining Life | 2 years 4 months 24 days
$1.83 - $2.84 [Member] |
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 1,228,000
Weighted Averaged Remaining Life | 4 years 7 months 20 days
Weighted Averaged Exercise Price | $ / shares | $ 2.07
Vested Options |
Number Exercisable at December 31, 2017 | shares | 783,000
Weighted Averaged Exercise Price | $ / shares | $ 2.09
Weighted Averaged Remaining Life | 4 years 5 months 12 days
$3.20 - $6.20 [Member] |
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 1,169,000
Weighted Averaged Remaining Life | 6 years 2 months
Weighted Averaged Exercise Price | $ / shares | $ 3.90
Vested Options |
Number Exercisable at December 31, 2017 | shares | 309,000
Weighted Averaged Exercise Price | $ / shares | $ 3.86
Weighted Averaged Remaining Life | 6 years 4 months 17 days
$7.20 - $22.00 [Member] |
Outstanding Options |
Number Outstanding at December 31, 2017 | shares | 8,000
Weighted Averaged Remaining Life | 1 year 10 months 19 days
Weighted Averaged Exercise Price | $ / shares | $ 10.36
Vested Options |
Number Exercisable at December 31, 2017 | shares | 8,000
Weighted Averaged Exercise Price | $ / shares | $ 10.36
Weighted Averaged Remaining Life | 1 year 10 months 19 days

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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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