| 
           Note D - Income Taxes (Details) - Income Tax Expense (Benefit) Components (USD $) 
         | 
        12 Months Ended | |
|---|---|---|
| 
           Sep. 30, 2013 
         | 
        
           Sep. 30, 2012 
         | 
      |
| Current: | ||
| Federal | $ 180,706 | $ 87,193 | 
| State | 58,421 | 24,637 | 
| 239,127 | 111,830 | |
| Deferred: | ||
| Federal | 2,455,015 | (3,087,274) | 
| State | 109,030 | (348,855) | 
| 2,564,045 | (3,436,931) | |
| Income tax expense (benefit) | $ 2,803,172 | $ (3,324,299) | 
| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
| 
             
- Definition 
          Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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