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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
	Mar. 10, 2020	Jun. 30, 2020	Dec. 31, 2019
Compensation cost not yet recognized		$ 12.9
Compensation cost not yet recognized, period for recognition		3 years
Number of Shares, Granted		1,371,000
Exercise price		$ 2.13
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		5,841,814	4,983,000
Award of 2019 Performance [Member] | Omnibus Stock Option Plan 2014 [Member]
Number of Shares, Granted	1,170,000
Exercise price	$ 2.12
Award vesting period	4 years
2020 Equity Incentive Awards [Member] | Omnibus Stock Option Plan 2014 [Member]
Number of Shares, Granted	111,000
Exercise price	$ 2.12
Award vesting period	4 years

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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