ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Components Of Accounts Receivable, Net) (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Trade Accounts Receivables at period end	$ 41,692	$ 197,166
Reserve for estimated marketing allowances, cash discounts and other incentives		(77,102)	$ (263,092)
Total Accounts Receivable, net	$ 41,692	$ 120,064