Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Share-Based Payments (Detail)

v2.4.0.6
Note 5 - Share-Based Payments (Detail) (USD $)
6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 15 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2008
Mar. 31, 2013
1997 Stock Option Plan [Member]
Dec. 31, 2012
2008 Stock Incentive Plan [Member]
Mar. 31, 2013
Stock Options [Member]
Mar. 31, 2012
Stock Options [Member]
Mar. 31, 2013
Stock Options [Member]
Mar. 31, 2012
Stock Options [Member]
Mar. 31, 2013
Restricted Stock [Member]
Accrued Expenses [Member]
Mar. 31, 2012
Restricted Stock [Member]
Accrued Expenses [Member]
Mar. 31, 2013
Restricted Stock [Member]
Mar. 31, 2012
Restricted Stock [Member]
Mar. 31, 2013
Restricted Stock [Member]
Mar. 31, 2012
Restricted Stock [Member]
Mar. 31, 2013
Certain Employees [Member]
Minimum [Member]
Mar. 31, 2013
Certain Employees [Member]
Maximum [Member]
Mar. 31, 2013
Minimum [Member]
Mar. 31, 2013
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)     2,000,000                                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 827,182                                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares) 150,000                                    
Share Based Compensation Arrangement By Share Based Payment Award Expiration Period       10 years 10 years                            
Share-based Compensation $ 393,350 $ 451,996       $ 0 $ 22,000 $ 0 $ 45,000 $ 116,000 $ 121,000 $ 173,000 $ 201,000 $ 393,000 $ 407,000        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)   193,750                                  
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures (in Shares)   116,915                                  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value   510,000                                  
Closing Market Price (in Dollars per share) $ 7.24                                    
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 3 years   3 years
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in Shares) 49,750 54,750                                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value (in Dollars per share) $ 350,000 $ 227,000                                  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized                       $ 481,000   $ 481,000          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in Shares)                       79,000   79,000          
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year                                    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) 52,000                                    
Conversion of Stock, Shares Converted (in Shares) 43,465