Operations In Foreign Currency (Details)	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Australian Dollar [Member]
Currency Exchange Rates [Line Items]
Currency exchange rates	0.7704	0.8173	0.9427
New Zealand Dollar [Member]
Currency Exchange Rates [Line Items]
Currency exchange rates	0.6778	0.7796	0.8755

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
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Period Type:	instant