Earnings (Loss) Per Share (Tables)

12 Months Ended

Apr. 30, 2014

Earnings (Loss) Per Share [Abstract]

Schedule Of Earnings Per Share, Basic And Diluted

(in thousands, except per share amounts)		Year Ended April 30,
		2014		2013		2012
Net income (loss)	$	(1,558)	$	532	$	(16,662)
Dividends paid and payable on preferred stock		(66)		(400)		(334)
Net income (loss) available to common stockholders	$	(1,624)	$	132	$	(16,996)
Weighted-average shares of common stock outstanding, basic		16,110		14,718		14,672
Effect of dilutive securities		-		10		-
Weighted-average shares of common stock outstanding, diluted		16,110		14,728		14,672
Income (loss) per share of common stock:
Basic	$	(0.10)	$	0.01	$	(1.16)
Diluted	$	(0.10)	$	0.01	$	(1.16)
Antidilutive securities
Weighted average number of stock options		1,571,021		2,523,477		2,632,115
Weighted average number of warrants		905,916		909,042		1,344,986
Weighted average number of preferred stock		278,539		1,666,667		1,666,667