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Consolidated Statements of Operations (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
General and administrative expense to related parties $ 740,975 $ 1,846,947
Research and development expenses to related parties 495,638 1,132,604
Interest expense to related parties $ 42,821 $ 15,519