SHARE-BASED COMPENSATION - Disclosure of detailed information about stock options available for grant (Details) |
Dec. 31, 2021
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Aug. 31, 2021
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Dec. 31, 2020
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Aug. 31, 2020
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Dec. 31, 2019
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Jul. 31, 2019
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Mar. 02, 2016
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| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||||||
| Shares outstanding | shares | 14,939,842 | 13,227,407 | 13,580,692 | 15,298,602 | |||
| Percentage of shares outstanding | 10.00% | ||||||
| Number of options authorized | 1,529,860 | ||||||
| Less: options issued & outstanding | (997,200) | (1,021,156) | (1,321,288) | ||||
| Options available for grant | 532,660 | 508,704 |