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, 2019
Dec. 31, 2018
Dec. 31, 2017
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) 500 600 700
Common stock reserved for issuance upon exercise of stock options (in shares) 5,500    
Unrecognized compensation cost $ 41,300 $ 39,200  
Unrecognized compensation cost, period for recognition 4 years 4 years 1 month 6 days