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SHARE-BASED PAYMENTS (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014
Common Stock, Shares Authorized | 5,191,134 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 418,287 |  | 2,176,330 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 2,446,207 |  | 2,122,897 | 905,413
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | (1,200) |  | (48,802) |
Employee Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 420,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 2,450,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 2,070,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $ 6.54 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 4 years 3 months 7 days |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value | $ 20 |  |  |
Employee Stock Options [Member] | Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 10 years |  |  |
Restricted Share Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | 948,047 | 153,850 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $ 2.12 |  |  |
Unrecognized Compensation Costs Related to Unvested Stock Options | 230,000 |  |  |
Unrecognized Compensation Costs Related to RSU Awards | 1,880,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 1,200 |  |  |
Stock Issued During Period, Value, Stock Options Exercised | $ 10 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value | $ 300,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value | $ 10 |  |  |

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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