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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Outstanding and Exercisable Options (Details) | 12 Months Ended |
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Dec. 31, 2018 | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2019 $ / shares
Canada, Dollars |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 73,650 |
Options outstanding, intrinsic value | $ |  | $ 0.00 |
Options exercisable, quantity (in shares) | shares |  | 73,650 |
Exercisable options, intrinsic value | $ |  | $ 0.00 |
Canada, Dollars | $5.00 to $9.99 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 73,650 |
Options outstanding, weighted average price (per share) |  |  | $ 5.85
Options outstanding, weighted average remaining contractual life | 26 days |  |
Options outstanding, intrinsic value | $ |  | $ 0.00 |
Options exercisable, quantity (in shares) | shares |  | 73,650 |
Options exercisable, weighted average price (per share) |  |  | 5.85
Options exercisable, weighted average remaining contractual life | 26 days |  |
Exercisable options, intrinsic value | $ |  | $ 0.00 |
Canada, Dollars | $5.00 to $9.99 | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  |  | 5.00
Options exercisable, weighted average price (per share) |  |  | 5.00
Canada, Dollars | $5.00 to $9.99 | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  |  | 9.99
Options exercisable, weighted average price (per share) |  |  | $ 9.99
United States of America, Dollars |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 1,413,783 |
Options outstanding, intrinsic value | $ |  | $ 52,000.00 |
Options exercisable, quantity (in shares) | shares |  | 1,190,402 |
Exercisable options, intrinsic value | $ |  | $ 35,000.00 |
United States of America, Dollars | $0.00 to $4.99 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 1,228,656 |
Options outstanding, weighted average price (per share) |  | $ 2,810.00 |
Options outstanding, weighted average remaining contractual life | 3 years 4 months 2 days |  |
Options outstanding, intrinsic value | $ |  | $ 52,000.00 |
Options exercisable, quantity (in shares) | shares |  | 1,005,275 |
Options exercisable, weighted average price (per share) |  | $ 2,880.00 |
Options exercisable, weighted average remaining contractual life | 3 years 50 days |  |
Exercisable options, intrinsic value | $ |  | $ 35,000.00 |
United States of America, Dollars | $0.00 to $4.99 | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | $ 0.00 |
Options exercisable, weighted average price (per share) |  | 0.00 |
United States of America, Dollars | $0.00 to $4.99 | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | 4.99 |
Options exercisable, weighted average price (per share) |  | $ 4.99 |
United States of America, Dollars | $5.00 to $9.99 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 158,862 |
Options outstanding, weighted average price (per share) |  | $ 6,000.00 |
Options outstanding, weighted average remaining contractual life | 2 years 1 month 16 days |  |
Options outstanding, intrinsic value | $ |  | $ 0.00 |
Options exercisable, quantity (in shares) | shares |  | 158,862 |
Options exercisable, weighted average price (per share) |  | $ 6,000.00 |
Options exercisable, weighted average remaining contractual life | 2 years 1 month 16 days |  |
Exercisable options, intrinsic value | $ |  | $ 0.00 |
United States of America, Dollars | $5.00 to $9.99 | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | $ 5.00 |
Options exercisable, weighted average price (per share) |  | 5.00 |
United States of America, Dollars | $5.00 to $9.99 | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | 9.99 |
Options exercisable, weighted average price (per share) |  | $ 9.99 |
United States of America, Dollars | $10.00 to $14.99 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 13,515 |
Options outstanding, weighted average price (per share) |  | $ 12,590.00 |
Options outstanding, weighted average remaining contractual life | 1 year 3 months 8 days |  |
Options outstanding, intrinsic value | $ |  | $ 0.00 |
Options exercisable, quantity (in shares) | shares |  | 13,515 |
Options exercisable, weighted average price (per share) |  | $ 12,590.00 |
Options exercisable, weighted average remaining contractual life | 1 year 3 months 8 days |  |
Exercisable options, intrinsic value | $ |  | $ 0.00 |
United States of America, Dollars | $10.00 to $14.99 | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | $ 10.00 |
Options exercisable, weighted average price (per share) |  | 10.00 |
United States of America, Dollars | $10.00 to $14.99 | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | 14.99 |
Options exercisable, weighted average price (per share) |  | $ 14.99 |
United States of America, Dollars | $15.00 to $19.99 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, quantity (in shares) | shares |  | 12,750 |
Options outstanding, weighted average price (per share) |  | $ 15,610.00 |
Options outstanding, weighted average remaining contractual life | 1 year 11 days |  |
Options outstanding, intrinsic value | $ |  | $ 0.00 |
Options exercisable, quantity (in shares) | shares |  | 12,750 |
Options exercisable, weighted average price (per share) |  | $ 15,610.00 |
Options exercisable, weighted average remaining contractual life | 1 year 11 days |  |
Exercisable options, intrinsic value | $ |  | $ 0.00 |
United States of America, Dollars | $15.00 to $19.99 | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | $ 15.00 |
Options exercisable, weighted average price (per share) |  | 15.00 |
United States of America, Dollars | $15.00 to $19.99 | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding, weighted average price (per share) |  | 19.99 |
Options exercisable, weighted average price (per share) |  | $ 19.99 |

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