Organization And Summary Of Significant Accounting Policies (Schedule Of Goodwill Impairment Charges) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Organization And Summary Of Significant Accounting Policies Schedule Of Goodwill Impairment Charges
Balance at December 31, 2019			$ 1,936,020	$ 1,936,020	$ 1,936,020
Impairment charges-net			490,766
Balance at September 30, 2020	$ 1,445,254		$ 1,445,254		$ 1,936,020