Loss per share (Tables)

3 Months Ended

Jul. 31, 2019

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended
		July 31,
		2019			2018
Numerator
Net loss	$	(929,723	)	$	(1,010,947	)
Denominator
Weighted average shares outstanding		5,952,122			5,932,417
Effect of dilutive securities		−			−
		5,952,122			5,932,417
Basic and diluted loss per share	$	(0.16	)	$	(0.17	)