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Organization And Summary Of Significant Accounting Policies (Schedule Of Basic Weighted Average Shares) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Organization And Summary Of Significant Accounting Policies Schedule Of Basic Weighted Average Shares        
Basic weighted average shares outstanding 47,046,364 46,694,058 47,046,364 47,155,592
Dilutive warrants 361,388    
Diluted weighted average shares outstanding 47,046,364 47,055,446 47,046,364 47,473,829