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New Accounting Pronouncements:	3 Months Ended
New Accounting Pronouncements:	Mar. 31, 2014
New Accounting Pronouncements Disclosure [Abstract]
Description of New Accounting Pronouncements Not yet Adopted [Text Block]	New Accounting Pronouncements: In April 2014, the Financial Accounting Standards Board issued Accounting Standards Update ("ASU") number 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosure of Disposals of Components of an Entity. This ASU changes the criteria for reporting discontinued operations and adds additional disclosures on discontinued operations. ASU 2014-08 improves the definition of discontinued operations by limiting discontinued operations reporting to disposals of components of an entity that represent strategic shifts that have or will have a major effect on an entities operations and financial results. Under current U.S. GAAP, disposals of small groups of assets that are recurring in nature and do not change an entity's strategy currently qualify for discontinued operations. ASU 2014-08 is effective prospectively for fiscal years, and interim periods within those years, beginning after December 15, 2014. We do not anticipate a material impact on our consolidated financial statements from adoption of this ASU.