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Summary of Significant Accounting Policies (Tables)
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12 Months Ended | ||||||||||||
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Dec. 31, 2014
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| Accounting Policies [Abstract] | |||||||||||||
| Property, Plant and Equipment [Table Text Block] | Depreciation is computed for financial reporting purposes by the straight-line method for land improvements, building and leasehold improvements and by the declining-balance method for equipment, based on the estimated useful lives of the assets, as follows:
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