Quarterly report pursuant to Section 13 or 15(d)

DISCLOSURE OF SHARE-BASED COMPENSATION ARRANGEMENTS BY SHARE-BASED PAYMENT AWARD (Details)

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DISCLOSURE OF SHARE-BASED COMPENSATION ARRANGEMENTS BY SHARE-BASED PAYMENT AWARD (Details) - Restricted Stock Units (RSUs) [Member] - shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Common Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding and unvested at beginning 382,435 451,085
Granted 419,159 618,879
Vested (294,575) (326,996)
Forfeited (30,412) (50,896)
Outstanding and unvested at ending 476,607 692,072
Preferred Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding and unvested at beginning 44,000 44,000
Granted 42,166 44,000
Vested (52,166) (44,000)
Forfeited
Outstanding and unvested at ending 34,000 44,000