Organization And Summary Of Significant Accounting Policies (Net Income (Loss) Per Common Share) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Organization And Summary Of Significant Accounting Policies Net Income Loss Per Common Share Details
Basic weighted average shares outstanding	46,660,456	48,132,664	46,989,940	48,132,664
Dilutive warrants	313,211	238,494	308,219	187,353
Dilutive options	178,907		164,505
Diluted weighted average shares outstanding	47,152,574	48,371,158	47,462,664	48,320,017