SELECTED QUARTERLY FINANCIAL DATA (Unaudited):

12 Months Ended

Apr. 30, 2012

Quarterly Financial Data [Abstract]

Quarterly Financial Information [Text Block]

(20)        SELECTED QUARTERLY FINANCIAL DATA (Unaudited):

	(In thousands, except per share amounts)
	Quarter Ended
Year ended April 30, 2012:	July 31, 2011			October 31, 2011		January 31, 2012 (a)			April 30, 2012 (b)
Revenues	$	21,493		$	23,351	$	21,424		$	19,092
Gross profit	$	3,254		$	5,425	$	2,721		$	1,644
Net income (loss)	$	(279	)	$	1,083	$	(316	)	$	(1,631	)
Earnings (loss) per share – basic and diluted	$	(0.05	)	$	0.18	$	(0.05	)	$	(0.27	)
Year ended April 30, 2011:	July 31, 2010			October 31, 2010		January 31, 2011(c)			April 30, 2011 (d)
Revenues	$	25,087		$	25,816	$	23,846		$	22,088
Gross profit	$	3,802		$	5,244	$	4,515		$	2,922
Net income (loss)	$	(498	)	$	731	$	1,281		$	(9,075	)
Earnings (loss) per share – basic and diluted	$	(0.08	)	$	0.12	$	0.21		$	(1.51	)
(a)Includes tax benefits of $382,000 (equivalent to $0.06 per share) in 2012 from the recognition of previously unrecognized tax benefits. (b)Includes after tax, non-cash impairment charge of $359,000 (equivalent to $0.06 per share) in 2012. (c)Includes tax benefits of $764,000 (equivalent to $0.13 per share) in 2011 from the recognition of previously unrecognized tax benefits. (d)Includes after tax, non-cash impairment charges of $8,194,000 (equivalent to $1.37 per share) in 2011.