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Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2018
Accounting Policies [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2014 - 09, Revenue from Contracts with Customers , which requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The Company adopted this ASU on January 1, 2018. See Note 2 for further details. In February 2016, the FASB issued ASU No.   2016 - 02, Leases. The guidance in this ASU supersedes the leasing guidance in Topic 840, Leases . Under the new guidance, lessees are required to recognize lease assets and lease liabilities on the balance sheet for those leases previously classified as operating leases. The amendments in ASU No.   2016 - 02 are effective for annual reporting periods beginning after December  15, 2018, including interim periods within that reporting period with early adoption permitted. The Company is evaluating the impact of adopting this ASU on its consolidated financial position and results of operations.

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- Definition

Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.

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