Organization And Summary Of Significant Accounting Policies (Schedule Of Goodwill Impairment Charges) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Organization And Summary Of Significant Accounting Policies Schedule Of Goodwill Impairment Charges
Balance at December 31, 2019			$ 1,936,020	$ 1,936,020
Impairment charges	$ 200,707		490,766
Balance at June 30, 2020	$ 1,445,254		$ 1,445,254