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STOCKHOLDERS' EQUITY Options Activity (Details) - Share-based Payment Arrangement, Option [Member] - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 11,000 246,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (235,000)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 7.70 $ 7.48
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price 0  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 7.47  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 4 months 17 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value $ 148