Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Shareholders Equity Warrants Outstanding (Details) (Parenthetical)

v3.19.1
Stockholders' Equity - Summary of Shareholders Equity Warrants Outstanding (Details) (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Equity [Abstract]    
Weighted average of exercise price for outstanding warrants $ 0.61 $ 0.70