ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule Of Goodwill Impairment Charges) (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Balance at the beginning of the period	$ 1,312,482	$ 1,936,020	$ 1,936,020
Impairment charges		(490,766)	(623,538)
Balance at March 31, 2021	$ 1,312,482	$ 1,445,254	$ 1,312,482