Organization And Summary Of Significant Accounting Policies (Components Of Accounts Receivable, Net) (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
Organization And Summary Of Significant Accounting Policies Components Of Accounts Receivable Net
Trade Accounts Receivables at period end	$ 2,259,180	$ 4,561,782
Reserve for estimated marketing allowances, cash discounts and other incentives	235,706	194,061	$ 1,200,792
Total Accounts Receivable, net	$ 2,023,474	$ 4,367,721