Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details) - Information regarding stock options outstanding that were not granted under the 2003 Share Plan, the 2010 Share Plan or the 2018 Share Plan

v3.19.2
STOCK BASED COMPENSATION (Details) - Information regarding stock options outstanding that were not granted under the 2003 Share Plan, the 2010 Share Plan or the 2018 Share Plan - Stock Options Not Granted Under 2003 Share Plan 2010 Share Plan Or 2018 Share Plan [Member] - USD ($)
Apr. 30, 2019
Apr. 30, 2018
STOCK BASED COMPENSATION (Details) - Information regarding stock options outstanding that were not granted under the 2003 Share Plan, the 2010 Share Plan or the 2018 Share Plan [Line Items]    
Options outstanding 1,780,000 1,780,000
Options outstanding $ 1.58 $ 1.58
Options outstanding and exercisable 1,780,000 1,780,000
Options outstanding and exercisable $ 1.58 $ 1.58
Options outstanding and exercisable $ 4,683,960 $ 3,953,820