SHARE-BASED COMPENSATION PLANS - Stock Option Activity (Details) - Employee Stock Options And Inducement Option Awards	9 Months Ended
Sep. 30, 2021 shares
Options and Inducement Awards
Outstanding at beginning of period (in shares)	1,510,968
Granted (in shares)	823,000
Exercised (in shares)	0
Forfeited (in shares)	(348,691)
Outstanding at end of period (in shares)	1,985,277
Options and inducement awards, exercisable (in shares)	466,587

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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.

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

+ References

No definition available.

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- Definition

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

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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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No definition available.

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

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