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SHARE-BASED COMPENSATION - Options rollforward (Details) | 12 Months Ended
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Dec. 31, 2022 EquityInstruments $ / shares | Dec. 31, 2021 EquityInstruments $ / shares
SHARE-BASED COMPENSATION |  |
Share options outstanding, beginning | EquityInstruments | 9,449,895 | 15,077,243
Share options grants | EquityInstruments | 1,687,000 | 4,171,000
Share options exercises | EquityInstruments | (2,169,681) | (8,451,848)
Share options expires | EquityInstruments | (26,000) | (31,000)
Share options forfeitures | EquityInstruments | (402,000) | (1,315,500)
Share options outstanding, ending | EquityInstruments | 8,539,214 | 9,449,895
Share options exercisable, ending | EquityInstruments | 5,178,714 | 4,370,895
Share options outstanding, weighted average exercise price, beginning | $ / shares | $ 0.86 | $ 0.67
Weighted average exercise price, share options grants | $ / shares | 1.82 | 1.30
Weighted average exercise price, share options exercises | $ / shares | 0.67 | 0.75
Weighted average exercise price, share options expires | $ / shares | 0.85 | 0.66
Weighted average exercise price, share options forfeitures | $ / shares | 1.14 | 0.79
Share options outstanding, weighted average exercise price, ending | $ / shares | 1.09 | 0.86
Share options exercisable, weighted average exercise price, ending | $ / shares | $ 0.78 | $ 0.61

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