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