Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical)

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Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Statement of Stockholders' Equity [Abstract]    
Private placement, net of offering costs $ 1,244,581 $ 140,749