Annual report pursuant to Section 13 and 15(d)

SEGMENT REPORTING & DISCONTINUED OPERATIONS (Narrative) (Details)

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SEGMENT REPORTING & DISCONTINUED OPERATIONS (Narrative) (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2018
segment
Dec. 31, 2020
segment
Dec. 31, 2019
USD ($)
Segment Reporting [Abstract]      
Number of reportable operating segments | segment 2 1  
Assets of discontinued operations     $ 668,000
Liabilities of discontinued operations     $ 640,000