Operations In Foreign Currency (Tables)

6 Months Ended

Jun. 30, 2018

Operations In Foreign Currency [Abstract]

Summary Of Currency Exchange Rates

	Foreign Currency / USD
	As of and for the quarter ended	As of and for the six months ended	As of and for the twelve months ended	As of and for the quarter ended	As of and for the six months ended
	June 30, 2018		December 31, 2017	June 30, 2017
Spot Rate
Australian Dollar	0.7399		0.7815	0.7676
New Zealand Dollar	0.6773		0.7100	0.7322
Average Rate
Australian Dollar	0.7569	0.7715	0.7670	0.7511	0.7547
New Zealand Dollar	0.7046	0.7161	0.7111	0.7049	0.7086