Annual report pursuant to Section 13 and 15(d)

Note C - Shareholders' Equity (Details)

v2.4.0.8
Note C - Shareholders' Equity (Details) (USD $)
12 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Feb. 28, 2010
Sep. 30, 2014
Employee Stock Option [Member]
Minimum [Member]
Sep. 30, 2014
Employee Stock Option [Member]
Maximum [Member]
Sep. 30, 2014
Employee Stock Option [Member]
Directors [Member]
Sep. 30, 2014
Cashless Method Stock Option Exercised [Member]
Sep. 30, 2014
Restricted Stock [Member]
Minimum [Member]
Sep. 30, 2013
Restricted Stock [Member]
Maximum [Member]
Sep. 30, 2013
Minimum [Member]
Employee Stock Purchase Plan [Member]
Sep. 30, 2014
Maximum [Member]
Sep. 30, 2014
Directors [Member]
Jun. 30, 2014
Employee Stock Purchase Plan [Member]
Dec. 31, 2013
Employee Stock Purchase Plan [Member]
Jun. 30, 2013
Employee Stock Purchase Plan [Member]
Dec. 31, 2012
Employee Stock Purchase Plan [Member]
Sep. 30, 2014
Employee Stock Purchase Plan [Member]
Note C - Shareholders' Equity (Details) [Line Items]                                    
Preferred Stock, Shares Authorized 500 500                                
Common Stock, Shares Authorized 50,000,000 50,000,000                                
Common Stock, Par or Stated Value Per Share (in Dollars per share) $ 0.01 $ 0.01                                
Temporary Equity, Shares Subscribed but Unissued       67,500                            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         3 years 5 years 1 year   1 year 10 years                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 2 years 229 days 4 years 62 days                   6 years 6 years          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 343,714                                 185,656
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) $ 5,198,114                                  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 9 years                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 91,819                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value (in Dollars) 460,202                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price (in Dollars per share) $ 5.01                                  
Share-based Compensation (in Dollars) 794,865 753,727 470,710                              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (488,018) (156,057)           76,968                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value (in Dollars) 7,522,553 1,185,501                                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value (in Dollars) 2,529,127                                  
Stock Repurchased During Period, Shares 16,560 18,786                                
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) $ 13.61 $ 11.88                                
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent                     85.00%              
Stock Issued During Period, Shares, Employee Stock Purchase Plans                           6,669 10,920 17,597 18,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)                           $ 14.27 $ 8.28 $ 3.82 $ 3.82  
Payments Related to Tax Withholding for Share-based Compensation (in Dollars) $ 399,629 $ 297,988                               $ 55,544