Organization And Summary Of Significant Accounting Policies (Components Of Accounts Receivable, Net) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Organization And Summary Of Significant Accounting Policies Components Of Accounts Receivable Net
Trade Accounts Receivables at year end	$ 197,166	$ 276,551
Reserve for estimated marketing allowances, cash discounts and other incentives	77,102	263,092	$ 364,894
Total Accounts Receivable, net	$ 120,064	$ 13,459