FAIR VALUE MEASUREMENTS	3 Months Ended
FAIR VALUE MEASUREMENTS	Jul. 31, 2013
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Text Block]	(9) FAIR VALUE MEASUREMENTS The Financial Instruments Topic of the Financial Accounting Standards Board Accounting Standards Codification requires disclosure of fair value information about financial instruments, whether or not recognized in the balance sheet, for which it is practicable to estimate that value. The Topic excludes all nonfinancial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented do not represent the underlying value of the Company. The following methods and assumptions are used in estimating fair value disclosure for financial instruments. The carrying amounts of cash and cash equivalents, trade receivables and trade payables approximate fair value because of the short maturity of these financial instruments. Debt that bears variable interest rates indexed to prime or LIBOR also approximates fair value as it re-prices when market interest rates change. The estimated fair value of the Company’s long-term, fixed-rate mortgage receivables was $34,000 and $35,000 at July 31, 2013 and April 30, 2013 and was the approximate carrying amount at those dates. At July 31, 2013 and April 30, 2013, the estimated fair values of the Company’s long-term, fixed-rate notes payable were $16,496,000 and $17,000,000 compared with carrying amounts of $20,297,000 and $20,358,000.

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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