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WARRANT LIABILITY AND FAIR VALUE MEASUREMENTS - Valuation Methodology (Details) - Share Purchase Warrants - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Exercise price	$ 0.00	$ 9.72
Contractual term (years)	0 years	9 months 29 days
Volatility (annual)	0.00%	97.00%
Risk-free rate	0.00%	2.00%
Dividend yield (per share)	0.00%	0.00%

X

- Definition

Agreed upon price for the exchange of the underlying asset.

+ References

No definition available.

+ Details

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X

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments.

+ References

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+ Details

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X

- Definition

Period the instrument, asset or liability is expected to be outstanding.

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X

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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X

- Definition

Risk-free interest rate assumption used in valuing an instrument.

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- 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.

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