XML 19 R9.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Per Share of Common Stock
9 Months Ended
Apr. 30, 2018
Earnings Per Share [Abstract]  
Income Per Share of Common Stock
2. Income Per Share of Common Stock:
                 
Income per share has been computed by dividing the net income for the periods by the weighted average number of shares of common stock outstanding during the periods, adjusted for the purchase of treasury stock. Shares used in computing income per share were 2,015,780 for the three and nine months ended April 30, 2018 and April 30, 2017.