SIGNIFICANT ACCOUNTING POLICIES (Details) - Options Activity	6 Months Ended
	Nov. 30, 2022 $ / shares shares
Options Activity Abstract
Options Outstanding, Shares | shares	2,321,616
Option Outstanding, Exercise Price Weighted Average | $ / shares	$ 3.72
Option Granted, Shares | shares	146,000
Option Granted, Exercise Price Weighted Average | $ / shares	$ 3.37
Option Exercised, Shares | shares	(46,500)
Option Exercised, Exercise Price Weighted Average | $ / shares	$ 1.73
Option Cancelled or expired, Shares | shares	(82,500)
Option Cancelled or expired, Exercise Price Weighted Average | $ / shares	$ 5.07
Options Outstanding, Shares | shares	2,338,616
Option Outstanding, Exercise Price Weighted Average | $ / shares	$ 3.69