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Note 10 - Stockholders' Equity
 9 Months Ended
Jun. 30, 2014
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]

10. STOCKHOLDERS’ EQUITY  


Summary  


The following table summarizes changes in the components of stockholders’ equity during the nine months ended June 30, 2014:  


                   

Additional

           

Total

 
   

Common Stock

   

Paid-in

   

Accumulated

   

Stockholders'

 
   

Shares

   

Amount

   

Capital

   

Deficit

   

Equity

 

Balances, September 30, 2013

    32,900,705     $ 329     $ 87,434,834     $ (62,673,754 )   $ 24,761,409  

Issuance of common stock upon exercise of stock options, net

    357,476       4       193,060               193,064  

Share-based compensation expense

                    488,958               488,958  

Repurchase of common stock

    (256,082 )     (3 )     (476,491 )             (476,494 )

Net income

                            2,600,304       2,600,304  

Balances, June 30, 2014

    33,002,099     $ 330     $ 87,640,361     $ (60,073,450 )   $ 27,567,241  

Stock Purchase Warrants  


At June 30, 2014, the Company had 1,627,945 shares purchasable under outstanding warrants at an exercise price of $2.67 which are exercisable through February 4, 2016.


Share Buyback Program 


In July 2013, the Board of Directors approved a share buyback program under which the Company may repurchase up to $3 million of its outstanding common shares. In November 2013, the Board of Directors authorized the repurchase of an additional $1 million of the Company’s outstanding common shares. The repurchase authorization expires December 31, 2014. During the nine months ended June 30, 2014, the Company purchased 256,082 shares at an average price paid per share of $1.86 for a total cost of $476,494. At June 30, 2014, all repurchased shares were retired.