| 
           Note F - Employee Benefit Plan (Details) (USD $) 
         | 
        12 Months Ended | ||
|---|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Sep. 30, 2013 
         | 
        
           Sep. 30, 2012 
         | 
      |
| Note F - Employee Benefit Plan (Details) [Line Items] | |||
| Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars) | $ 379,630 | $ 290,652 | $ 283,600 | 
| 
           First Three Percents Of Compensation [Member] 
         | 
        |||
| Note F - Employee Benefit Plan (Details) [Line Items] | |||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% | 100.00% | 100.00% | 
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00% | 3.00% | 3.00% | 
| 
           Second Two Percent Of Compensation [Member] 
         | 
        |||
| Note F - Employee Benefit Plan (Details) [Line Items] | |||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% | 50.00% | 50.00% | 
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 2.00% | 2.00% | 2.00% |