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STOCK AWARD PLAN AND STOCK-BASED COMPENSATION - Summary of Assumptions Used in Black Scholes Model to Estimate Fair Value of Stock Options (Parenthetical) (Details) - shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Employee Stock Option
Stock Award Plan and Stock-Based Compensation
Shares issued	0
Non-Employees Stock Options
Stock Award Plan and Stock-Based Compensation
Shares issued	0	40,000

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

No definition available.

+ Details

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- Details

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X

- Details

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