STOCK-BASED COMPENSATION, Performance Based Equity Awards (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 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%
Unrecognized compensation cost		$ 155
Award vesting period	3 years
Sales Incentive Award Program [Member]
Performance Based Equity Awards [Abstract]
Unrecognized compensation cost		$ 55
Award vesting period	1 year

The percentage of maximum target for each award eligible to be earned based on relative performance.

No definition available.

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- Definition

The percentage of target for each award eligible to be earned based on relative performance.

+ References

No definition available.

+ Details

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- Definition

The percentage of threshold target for each award eligible to be earned based on relative performance.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of cost not yet recognized for nonvested award 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 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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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

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