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RETIREMENT PLAN - Additional information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2012
RETIREMENT PLAN |  |  |
Defined Contribution Plan Eligibility Age | 18 years |  |
Defined Contribution Plan Period Of Employment For Eligibility | 3 months |  |
Defined Contribution Plan, Cost | $ 0.1 | $ 0.1 |
Defined Contribution Plan Description of Employer Matching Contribution |  |  | The Company has a discretionary employee match program and currently matches 35% of first 6% of an employee's contributions.
Defined Contribution Plan, Employer Matching Contribution, Percent of Match |  |  | 35.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay |  |  | 6.00%

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Represents the description of employer matching contribution. + References No definition available. + Details
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- Definition Defined contribution plan eligibility age. + References No definition available. + Details
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- Definition Defined contribution plan period of employment for eligibility. + References No definition available. + Details
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