Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock Based Compensation (Detail)

v2.4.0.6
Note 4 - Stock Based Compensation (Detail) (USD $)
3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Employee Stock Purchase Plan [Member]
Dec. 31, 2011
Employee Stock Purchase Plan [Member]
Share-based Compensation $ 186,049 $ 112,153    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 2,296,651      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 4 years 255 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 4 years 219 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 1,992,600      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 4 years 219 days      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 1,879,969      
Proceeds from Stock Options Exercised $ 7,625 $ 37,681    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) (16,037) 74,251    
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date 85.00%      
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in Shares)     18,000 17,662
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)     $ 3.82 $ 4.09
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)     220,842