STOCK-BASED COMPENSATION - Stock option activity (Details) - $ / shares shares in Thousands		8 Months Ended	12 Months Ended
Apr. 30, 2019	Dec. 31, 2019	Dec. 31, 2020
Number of Options
Outstanding, beginning of period			4,352
Granted (in shares)		4,436	1,021
Forfeited (in shares)		84
Outstanding, end of period		4,352	5,373
Weighted Average Grant Date Fair Value per Option
Outstanding, beginning of period			$ 1.09
Granted		$ 1.09	1.08
Forfeited		1.09
Outstanding, end of period		1.09	1.09
Weighted Average Exercise Price
Outstanding, beginning of period			1.79
Outstanding, end of period		$ 1.79	$ 1.79
Weighted Average Remaining Contractual Life (in years)
Outstanding	0 years	8 years 10 months 24 days	9 years

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

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

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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

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

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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 price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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No definition available.

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Weighted average grant-date fair value of non-vested options outstanding.

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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