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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Statement Of Cash Flows [Abstract]      
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents at beginning of period $ 0 $ 35,772 $ 25,976
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents at end of period $ 0 $ 0 $ 35,772