Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Stockholders??? Equity (Parenthetical)

v3.19.3
Condensed Consolidated Statements of Stockholders’ Equity (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]          
Sale of common stock, issuance costs $ 59 $ 1,300 $ 617 $ 232 $ 809