Note B - Significant Accounting Policies (Details) (USD $)	3 Months Ended		12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Apr. 30, 2013
Note B - Significant Accounting Policies (Details) [Line Items]
Number of Reportable Segments	1
Concentration Risk, Percentage	37.00%
Finance Receivables Interest Rate Range Start	11.00%
Finance Receivable Interest Rate Range End	19.00%
Interest Earned On Financing Receivables (in Dollars)	$ 2,000,000		$ 1,800,000
Finance Receivables, Customer Payments Due Either Weekly or Bi-Weekly, Percentage	75.00%
Financing Receivable, Greater Than Or Equal To 30 Days Past Due, Percent Of Portfolio	5.40%	4.00%
Financing Receivable, Average Days Past Due At Charge Off	71 days
Average Age of Account At Charge-Off Date	10 months 24 days
Goodwill, Impairment Loss (in Dollars)	0		0
Late Fee Income Generated by Servicing Financial Assets, Amount (in Dollars)	535,000	461,000
Financing Receivable Recorded Investment Greater Than 90 Days Past Due (in Dollars)	1,683,000	638,000	1,964,000
Stock Repurchased During Period, Shares (in Shares)	9,020	215,846
Stock Repurchased During Period, Value (in Dollars)	$ 384,000	$ 9,400,000
Furniture, fixtures, and equipment [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Furniture, fixtures, and equipment [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Leasehold Improvements [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Leasehold Improvements [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	15 years
Building and Building Improvements [Member] | Minimum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	18 years
Building and Building Improvements [Member] | Maximum [Member]
Note B - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	39 years