Summary of Significant Accounting Polocies	6 Months Ended
Jun. 30, 2017
Summary of significant accounting policies [Abstract]
Significant Accounting Policies [Text Block]	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES There have been no material changes to our significant accounting policies as reported in our 2016 Annual Report.

The entire disclosure for all significant accounting policies of the reporting entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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