Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

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Consolidated Statements of Cash Flows (Parenthetical) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Statement of Cash Flows [Abstract]    
Common stock shares issued for settlement of accounts payable and accrued expenses 1,738,195
Common stock shares issued for conversion of convertible bridge notes and accrued interest 613,451