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STOCK-BASED COMPENSATION PLANS - Additional information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Proceeds from Stock Options Exercised | $ 34,000 | $ 21,000 | $ 200,000 | $ 200,000
Unrecognized compensation expense related to stock options | $ 3,600,000 |  | $ 3,600,000 |
Weighted-average period of unrecognized compensation expense related to stock options |  |  | 3 years |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  | 45,000 |
Management [Member] | Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period | 35,000 |  | 45,000 |
Selling, General and Administrative Expenses [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Allocated Share-based Compensation Expense | $ 300,000 | $ 100,000 | $ 600,000 | $ 200,000
Stock Incentive Plan 2017 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 5,000,000 |  | 5,000,000 |
Shares under option, granted | 200,000 | 100,000 | 600,000 | 100,000
Sharebased Compensation Arrangement by Sharebased Payment Award Options remain Issued Number | 2,100,000 |  | 2,100,000 |
Number of Shares, Exercisable | 1,200,000 |  | 1,200,000 |
Stock options remain reserved for issuance | 3,700,000 |  | 3,700,000 |

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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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