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STOCKHOLDERS' EQUITY - Warrants (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($) $ / shares shares	Sep. 30, 2019 $ / shares	Dec. 31, 2019 USD ($) $ / shares shares
Outstanding and Exercisable at September 30, 2020 | shares	1,015
Weighted Average Exercise Price, Granted | $ / shares	$ 10.15	$ 5.65
Warrant
Outstanding at December 31, 2019 | shares	100
Number of Warrants, Granted | shares	0
Number of Warrants, Exercised | shares	0
Number of Warrants, Forfeited | shares	0
Outstanding and Exercisable at September 30, 2020 | shares	100		100
Weighted Average Exercise Price, Outstanding at December 31, 2019 | $ / shares	$ 2.63
Weighted Average Exercise Price, Granted | $ / shares	0
Weighted Average Exercise Price, Exercised | $ / shares	0
Weighted Average Exercise Price, Forfeited | $ / shares	0
Weighted Average Exercise Price, Outstanding at June 30, 2020 | $ / shares	$ 2.63		$ 2.63
Weighted Average Remaining Contractual Life (Years)	4 years 7 days		4 years 9 months 7 days
Aggregate Intrinsic Value | $	$ 1,483		$ 525

X

- 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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- Definition

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

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

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

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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

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