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SHARE BASED COMPENSATION (summary of the non-vested RSU activity) (Details) - Restricted Stock Units (RSUs) [Member]
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Nonvested RSUs on January 1, 2018 | shares 43,487,613
Vested | shares (12,914,511)
Forfeited | shares (55,250)
Nonvested RSUs on December 31, 2018 | shares 30,517,852
Nonvested RSUs on January 1, 2018 | $ / shares $ 1.39
Vested | $ / shares 1.39
Forfeited | $ / shares 1.42
Nonvested RSUs on December 31, 2018 | $ / shares $ 1.39