Quarterly report pursuant to Section 13 or 15(d)

UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical)

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UNAUDITED CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical)
3 Months Ended
Mar. 31, 2018
USD ($)
Statement Of Stockholders Equity [Abstract]  
Proceed from issuance of stock, issuance costs $ 3,367,760