Note G - Fair Value Measurements (Details) - Fair value of financial instruments (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	$ 272	$ 276	$ 223	$ 268
Cash	272	276
Finance receivables, net	288,049	251,103	222,305	205,423
Finance receivables, net	227,121	198,084
Accounts payable	8,832	7,352
Accounts payable	8,832	7,352
Revolving credit facilities	99,563	77,900
Revolving credit facilities	99,563	77,900
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash	272	276
Finance receivables, net	288,049	251,103
Accounts payable	8,832	7,352
Revolving credit facilities	$ 99,563	$ 77,900

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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-Publisher SEC

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Fair value portion of liabilities incurred for goods and services received that are used in an entity's business and related party payables.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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-Glossary Cash

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Glossary Loan

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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