6. Net Loss per Common Share (Tables)

6 Months Ended

Oct. 31, 2019

Earnings Per Share [Abstract]

Antidilutive shares

	Three Months Ended October 31,				Six Months Ended October 31,
	2019		2018		2019		2018
Stock options		197		235		133		186
RSUs		66		56		63		31
ESPP		12		16		6		9
Total		275		307		202		226

	Three Months Ended October 31,				Six Months Ended October 31,
	2019		2018		2019		2018
Stock options		2,866		2,239		2,855		2,600
RSUs		–		–		108		–
Warrants		–		12		–		25
Series E Preferred Stock		1,979		1,979		1,979		1,979
Total		4,845		4,230		4,942		4,604