Annual report pursuant to Section 13 and 15(d)

Income taxes (Details) - Benefit (provision) for income taxes

v3.19.3
Income taxes (Details) - Benefit (provision) for income taxes
$ in Thousands
12 Months Ended
Jul. 31, 2018
USD ($)
Benefit (provision) for income taxes [Abstract]  
Federal $ 1,097
Benefit for income taxes $ 1,097