Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)

v3.19.3
Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - $ / shares
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Statement of Cash Flows [Abstract]        
Class of warrant or right, exercise price of warrants or rights $ 5.00 $ 5.00 $ 5.00 $ 5.00