XML 26 R16.htm IDEA: XBRL DOCUMENT v3.20.2
REVENUES
3 Months Ended
Jul. 31, 2020
REVENUES:  
REVENUES

(8)           REVENUES

100% of real estate land sales were made to four customers during the three months ended July 31, 2020 and to five customers during the three months ended July 31, 2019.