EQUITY PLANS AND SHARE-BASED COMPENSATION - Schedule of Stock Option Activity (Details) - shares	3 Months Ended	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Stock Option Shares
Outstanding, beginning balance (in shares)	97	97	97
Granted (in shares)	0	0	0
Exercised (in shares)	0		0
Outstanding, ending balance (in shares)			97	97
Outstanding and Exercisable, ending balance (in shares)	97
Weighted Average Remaining Contractual Life in Years
Outstanding			4 years 5 months 4 days	5 years 2 months 4 days
Outstanding and Exercisable	4 years 2 months 4 days

Share based compensation arrangement by share based payment award options outstanding and exercisable number.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options outstanding and exercisable weighted average remaining contractual term.

+ References

No definition available.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of share options (or share units) exercised during the current period.

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