Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details Narrative)

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STOCK-BASED COMPENSATION (Details Narrative) - Time Lapse Restricted Shares Issued 2004 [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting increment, starting with the second anniversary, over six years 20.00%    
Award vesting period 6 years    
Shares issued during the period (in shares) 600,000 700,000 800,000
Common stock reserved for issuance upon exercise of stock options (in shares) 5,900,000    
Unrecognized compensation cost $ 39,200 $ 32,900  
Unrecognized compensation cost, period for recognition 4 years 1 month 6 days 3 years 10 months 24 days