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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |  |  | 296,450 |  | 442,956
Allocated Share-based Compensation Expense | $ 710 | $ 520 | $ 2,500 | $ 2,240 |
R S U Weighted |  |  |  |  |
Number of shares |  |  |  |  |
Number of nonvested shares, beginning of period (in shares) |  |  | 1,580,187 |  |
Granted, nonvested, number of shares (in shares) |  |  | 721,750 |  |
Vested, number of shares (in shares) |  |  | (862,378) |  |
Nonvested options forfeited, number of shares (in shares) |  |  | (168,004) |  |
Number of nonvested shares, end of period (in shares) | 1,271,555 |  | 1,271,555 |  | 1,580,187
Weighted Average Grant-Date Fair Value |  |  |  |  |
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share) |  |  | $ 1.99 |  |
Granted, nonvested, weighted average grant date fair value (in dollars per share) |  |  | 2.92 |  |
Vested, weighted average grant date fair value (in dollars per share) |  |  | 2.00 |  |
Nonvested options forfeited, weighted average grant date fair value (in dollars per share) |  |  | 2.32 |  |
Nonvested, weighted average grant date fair value, end of period (in dollars per share) | $ 2.47 |  | $ 2.47 |  | $ 1.99
Restricted Stock Units (RSUs) |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |  |  | 720,000 | 1,190,000 |

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Granted, Nonvested, Weighted Average Grant Date Fair Value + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Net number of share options (or share units) granted during the period. + 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)(iv)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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