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SHAREBASED COMPENSATION (Details 5) | 12 Months Ended
--- | ---
Dec. 31, 2021 $ / shares | Dec. 31, 2020 $ / shares
SHARE-BASED COMPENSATION (Tables) |  |
PSUs outstanding, beginning | 2,020,000 | 2,140,000
PSUs granted | 0 | 180,000
PSUs exercised | (210,000) | (120,000)
PSUs forfeited | (280,000) | (180,000)
PSUs outstanding, ending | 1,530,000 | 2,020,000
PSUs vested, ending | 870,000 | 700,000
PSUs outstanding, weighted average fair value, beginning | $ 0.63 | $ 0.65
PSUs granted, weighted average fair value | 0 | 0.38
PSUs exercised, weighted average fair value | 0.66 | 0.65
PSUs forfeited, weighted average fair value | 0.68 | 0.65
PSUs outstanding, weighted average fair value, ending | 0.62 | 0.63
PSUs vested, weighted average fair value, ending | $ 0.63 | $ 0.65

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