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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
1 Months Ended
Jun. 12, 2019
May 17, 2019
Mar. 20, 2019
Nov. 30, 2019
Aug. 31, 2019
Sep. 30, 2018
Apr. 30, 2018
Series C Preferred Stock              
Issuance of common stock, shares             5,992,750
Preferred stock conversion price, per share             $ 0.2564
Series C-1 Preferred Stock              
Issuance of common stock, shares           1,915,916  
Preferred stock conversion price, per share           $ 0.2564  
Common Stock              
Issuance of restricted common stock 64,982 88,548 2,406,618 74,510 84,975    
Restricted common stock, forfeitures   69,141   48,520