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STOCKHOLDERS' EQUITY Warrant activity (Details) - Warrant [Member]
shares in Thousands
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Number of Warrants Outstanding, Beginning | shares 519,658
Weighted Average Exercise Price Outstanding, Beginning | $ / shares $ 6.30
Number of Warrants Exercised | shares 13,944
Weighted Average Exercise Price Exercised | $ / shares $ 6.30
Number of Warrants Outstanding, Ending | shares 505,714
Weighted Average Exercise Price Outstanding, Ending | $ / shares $ 6.30