REDEEMABLE NONCONTROLLING INTERESTS (Details) (USD $)			6 Months Ended
Oct. 31, 2014	Apr. 30, 2014	Oct. 31, 2014 Redeemable [Member]	Oct. 31, 2013 Redeemable [Member]	Oct. 31, 2013 Restatement Adjustment [Member] Noncontrolling Interests [Member]	Oct. 31, 2013 Restatement Adjustment [Member] Equity [Member]
Overstatement of equity					$ 6,000,000	$ (6,000,000)
Redeemable [Line Items]
Balance at April 30,	6,373,000	6,203,000	6,203,000	5,937,000
Net income			170,000	107,000
Balance at close of period	$ 6,373,000	$ 6,203,000	$ 6,373,000	$ 6,044,000

Carrying amount, attributable to parent, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

No definition available.

Name:	us-gaap_TemporaryEquityCarryingAmountAttributableToParent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant