OPERATING SEGMENTS (Reconciliation Of Revenues) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues	$ 12,602,241	$ 18,600,641	$ 16,433,177	$ 11,590,798	$ 12,038,389	$ 18,370,511	$ 16,512,724	$ 12,219,946	$ 59,227,000	$ 59,142,000
Reportable Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									61,651,000	61,341,000
Elimination Of Intersegment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									$ (2,424,000)	$ (2,199,000)