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Summary of Significant Accounting Policies and Practices (Narrative) (Details)	12 Months Ended
	Dec. 31, 2017 mo yr
Summary Of Significant Accounting Policies And Practices 1 | yr	50
Summary Of Significant Accounting Policies And Practices 2	17.00%
Summary Of Significant Accounting Policies And Practices 3	50.00%
Summary Of Significant Accounting Policies And Practices 4 | mo	12

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Summary Of Significant Accounting Policies And Practices 1

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Summary Of Significant Accounting Policies And Practices 4

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