INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Oct. 31, 2012	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011
Computed tax provision (benefit) at statutory rate		$ (1,610)	$ (713)	$ (3,770)
Increase (reduction) in tax resulting from:
State income taxes, net of federal income tax effect		(192)	(14)	(228)
Expiration of state NOLs		237	342	324
Change in valuation allowance		(276)	(338)	(281)
Adjustment for unrecognized tax benefits		(41)	(296)	(619)
Non-deductible goodwill impairment (see Note 14)		0	0	(1,363)
Meals and entertainment		45	47	54
Other		78	76	(55)
Actual tax provision (benefit)	$ 41	$ (1,759)	$ (896)	$ (3,212)