Quarterly report pursuant to Section 13 or 15(d)

UNEARNED REVENUE (Details Narrative)

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UNEARNED REVENUE (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Unearned Revenue    
Long-term unearned revenue $ 18,400 $ 18,000
Long-term unearned revenue, recognition period (or less) 5 years