Annual report pursuant to Section 13 and 15(d)

NET INCOME (LOSS) PER SHARE Antidilutive Shares (Details)

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NET INCOME (LOSS) PER SHARE Antidilutive Shares (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Stock options and RSU's    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive shares 28,105,000 850,000
Options Outside the Amended 2013 Plan    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Unvested stock options 0 0
Options Outside the Amended 2013 Plan | Amended 2013 Plan    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Unvested stock options 8,000,000 10,750,000