Annual report pursuant to Section 13 and 15(d)

Note 7 - Share-Based Payments (Detail)

v2.4.0.6
Note 7 - Share-Based Payments (Detail) (USD $)
3 Months Ended 12 Months Ended 24 Months Ended
Dec. 31, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2012
Sep. 30, 2009
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   2,000,000     2,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   52,500 293,750 35,250 52,500  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures   150,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term   4 years 284 days        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date   Dec. 10, 2008        
Share-based Compensation (in Dollars)   $ 842,512 $ 796,453 $ 471,811    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised   1,557,750   626,500    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,166,017   23,085 1,166,017  
Surrendered Options In Lieu Of Taxes   363,035        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 186,220 (1,557,750)   (435,000)    
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures 325,000          
Proceeds from Stock Options Exercised (in Dollars)       157,900    
Share Price (in Dollars per share)   $ 7.15     $ 7.15  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value (in Dollars)   6,888,000   1,792,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   (2,500) (2,500) (5,000)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value (in Dollars per share)     $ 1,677,000 $ 166,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)   199,000     199,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   93,818 193,504 44,589 93,818 119,589
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition   1 year 47 days        
Proceeds from Warrant Exercises (in Dollars)   13,000   725,600    
Warrants and Rights Outstanding (in Dollars)   52,000     52,000  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)   1.30     1.30  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms   3 years 288 days        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value (in Dollars per share)   $ 304,200     $ 304,200  
Performance Shares [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   766,932        
Stock Options [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term   10 years        
Share-based Compensation (in Dollars)   60,000 90,000 92,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period       110,000    
1997 Stock Option Plan [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years        
Restricted Stock [Member] | Accrued Expenses [Member]
           
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)     212,000 206,000    
Restricted Stock [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     293,750      
Share-based Compensation (in Dollars)   782,000 706,000 379,000    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value (in Dollars)         218,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period   2,500        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)   $ 525,000     $ 525,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   94,000     94,000  
Cashless Exercise [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised   18,000        
Employee Stock Option [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   802,982        
Cashless Exercise [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised   10,000   30,000    
Convertible Common Stock [Member]
           
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   14,795     14,795  
Minimum [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   1 year        
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   1 year        
Maximum [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   3 years