OPERATING SEGMENTS (Reconciliation Of Revenues) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues	$ 12,038,389	$ 18,370,511	$ 16,512,724	$ 12,219,946	$ 11,996,389	$ 17,666,841	$ 15,846,475	$ 11,443,071	$ 59,142,000	$ 56,953,000
Reportable Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									61,341,000	59,168,000
Elimination Of Intersegment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									$ (2,199,000)	$ (2,215,000)