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Goodwill | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets [Abstract] |
Goodwill Disclosure [Text Block] |
10. | Goodwill
There were no changes in goodwill during the years ended December 31, 2017 and 2016. As of December 31, 2017 and 2016, goodwill was not impaired and there were no accumulated impairment losses.

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- Definition The entire disclosure for goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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