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SHARE-BASED PAYMENTS (Tables) | 3 Months Ended
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Mar. 31, 2016
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Risk-free interest rate |  | 1.43% |
Expected life |  | 5.0 years |
Expected volatility |  | 74.8 * |
Expected dividend yield |  | 0.00% |
Weighted-average expected life of option |  | 5.00 |
Weighted-average grant date fair value | $ | 1.22 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Three Months ended |  |  | Year ended |
|  | March 31, 2016 |  |  | December 31, 2015 |
|  |  |  |  | Weighted |  |  |  |  |  | Range of |  |  | Weighted |  |  |  |
|  | Range of |  |  | Average |  |  |  |  |  | Exercise |  |  | Average |  |  |  |
|  | Exercise Prices |  |  | Exercise Price |  |  | Number of |  |  | Prices |  |  | Exercise Price |  |  | Number of |
|  | $ |  |  | $ |  |  | Options |  |  | $ |  |  | $ |  |  | Options |
Balance, beginning of period |  | 6.55 - 38.12 |  |  | 10.05 |  |  | 2,122,897 |  |  | 6.55 - 38.12 |  |  | 10.05 |  |  | 905,413 |
Transactions during the period: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted |  | 2.12 |  |  | 2.12 |  |  | 418,287 |  |  | 2.55 - 18.55 |  |  | 6.02 |  |  | 2,176,330 |
Exercised |  | 2.12 |  |  | 2.12 |  |  | (1,200 | ) |  | 2.55 - 4.48 |  |  | 3.78 |  |  | (48,802 | )
Forfeited |  | 4.44 - 15.61 |  |  | 7.64 |  |  | (89,377 | ) |  | 4.44 - 29.71 |  |  | 7.29 |  |  | (574,486 | )
Expired |  | 6.94 - 33.15 |  |  | 27.19 |  |  | (4,400 | ) |  | 7.47 - 32.10 |  |  | 7.42 |  |  | (335,558 | )
Balance, end of period |  | 2.55 - 32.10 |  |  | 5.88 |  |  | 2,446,207 |  |  | 2.55 - 32.10 |  |  | 6.54 |  |  | 2,122,897 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] |
|  | Stock-option |  |  | RSU |
|  |  |  |  | Weighted |  |  |  |  |  | Weighted |
|  | Number of |  |  | Average Grant- |  |  | Number of |  |  | Average Grant- |
|  | shares |  |  | Date Fair Value |  |  | shares |  |  | Date Fair Value |
Non-vested December 31, 2015 |  | 200,229 |  | $ | 2.25 |  |  | 272,866 |  | $ | 4.03 |
Granted |  | 418,287 |  | $ | 1.30 |  |  | 948,047 |  | $ | 2.12 |
Vested |  | (329,065 | ) | $ | 2.24 |  |  | - |  | $ | - |
Settled for equity |  | - |  | $ | - |  |  | (138,608 | ) | $ | 4.65 |
Forfeited |  | (22,532 | ) | $ | 3.86 |  |  | (4,350 | ) | $ | 5.79 |
Non-vested March 31, 2016 |  | 266,919 |  | $ | 1.56 |  |  | 1,077,955 |  | $ | 2.42 |
Schedule of Compensation Costs for Share-based Payment Arrangements [Table Text Block] |
|  | Three months ended |
|  | March 31, |
|  | 2016 |  |  | 2015 |
Share-based compensation | $ | 667 |  | $ | 125 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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