9. NET LOSS PER COMMON SHARE (Tables)

3 Months Ended

Jul. 31, 2018

Earnings Per Share [Abstract]

Reconciliation of income tax per share

	Three Months Ended July 31, 2018					Three Months Ended July 31, 2017
	Continuing Operations			Discontinued Operations		Continuing Operations			Discontinued Operations
Numerator
Net (loss) income	$	(1,961	)	$	–	$	2,800		$	(4,005	)
Series E preferred stock accumulated dividends		(1,442	)		–		(1,442	)		–
Net (loss) income attributable to common stockholders	$	(3,403	)	$	–	$	1,358		$	(4,005	)
Denominator
Weighted average common shares outstanding, basic		55,770,108			55,770,108		44,773,727			44,773,727
Effect of dilutive securities:
Stock options		–			–		102,074			102,074
ESPP		–			–		2,184			2,184
Weighted average common shares outstanding, dilutive		55,770,108			55,770,108		44,877,985			44,877,985
Net (loss) income per share, basic	$	(0.06	)	$	–	$	0.03		$	(0.09	)
Net (loss) income per share, diluted	$	(0.06	)	$	–	$	0.03		$	(0.09	)

Schedule of antidilutive shares

	July 31, 2018		July 31, 2017
Stock Options		2,694,732		3,602,628
Warrants		39,040		39,040
Series E Preferred Stock		1,978,783		1,978,783
Total		4,712,555		5,620,451