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Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options (USD $)
 12 Months Ended
Sep. 30, 2013
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Stock Options Outstanding 363,000
Exercisable Stock Options Outstanding 163,000
$2.450 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 2.450
Stock Options Outstanding 250,000
Exercisable Stock Options Outstanding 50,000
Remaining Contractual Life 8 years 6 months
$3.001 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 3.001
Stock Options Outstanding 65,000
Exercisable Stock Options Outstanding 65,000
Remaining Contractual Life 4 years 328 days
$3.450 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 3.450
Stock Options Outstanding 15,000
Exercisable Stock Options Outstanding 15,000
Remaining Contractual Life 3 years 146 days
$5.780 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 5.780
Stock Options Outstanding 15,000
Exercisable Stock Options Outstanding 15,000
Remaining Contractual Life 2 years 146 days
$4.620 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 4.620
Stock Options Outstanding 15,000
Exercisable Stock Options Outstanding 15,000
Remaining Contractual Life 1 year 146 days
$4.400 [Member]
  
Note 6 - Stock-Based Compensation and Preferred Stock (Details) - Outstanding and Exercisable Stock Options [Line Items]  
Exercise Price (in Dollars per share) $ 4.400
Stock Options Outstanding 3,000
Exercisable Stock Options Outstanding 3,000
Remaining Contractual Life 146 days