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STOCK-BASED COMPENSATION, Performance Based Equity Awards (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Performance Shares [Member] |  |  |
Performance Based Equity Awards [Abstract] |  |  |
Percentage of threshold target for each award eligible to be earned based on relative performance |  | 50.00% |
Percentage of target for each award eligible to be earned based on relative performance |  | 100.00% |
Percentage of maximum target for each award eligible to be earned based on relative performance |  | 150.00% |
Award vesting period |  | 3 years |
Information Related to Stock Awards [Abstract] |  |  |
Compensation expense recognized | $ 3 |  | $ 152
Sales Incentive Award Program [Member] |  |  |
Performance Based Equity Awards [Abstract] |  |  |
Unrecognized compensation cost | 130 |  | 130
Award vesting period |  | 1 year |
Information Related to Stock Awards [Abstract] |  |  |
Compensation expense recognized | $ 75 |  | $ 75

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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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