Quarterly report pursuant to Section 13 or 15(d)

Net income (loss) per share (Details)

v3.22.2.2
Net income (loss) per share (Details) - $ / shares
3 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Earnings Per Share [Abstract]    
Potential common shares $ 106,000 $ 541,000
Common shares outstanding 2,595,000 793,000