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Note 3 - Net Income Per Share
9 Months Ended
Sep. 30, 2015
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note 3.  Net Income Per Share
 
Basic earnings per share (EPS) were computed by dividing net income by the weighted average number of shares of common stock outstanding during the period. Diluted EPS differs from basic EPS due to the assumed conversion of potentially dilutive awards and options that were outstanding during the period. The following is a reconciliation of the numerators and the denominators of the basic and diluted per share computations for net income for the three and nine months ended September 30, 2015 and 2014. Share numbers have been adjusted for the 1-for-15 reverse split effected on July 23, 2015.
 
    Three Months Ended September 30,   Nine Months Ended September 30,
    2015   2014   2015   2014
Numerator:                                
Numerator for basic and diluted earnings per share, net income  available to common shareholders   $ 117,780     $ 688,560     $ 851,246     $ 1,337,101  
Denominator:                                
Denominator for basic earnings per share, weighted average shares outstanding     7,373,656       8,334,303       7,373,656       8,334,065  
Effect of dilutive securities     4,683,599       606,906       4,683,599       537,800  
Denominator for diluted earnings per share, adjust weighted average shares and assumed conversion     12,057,255       8,941,209       12,057,255       8,871,865  
Basic earnings per common share   $ 0.02     $ 0.08     $ 0.12     $ 0.16  
Diluted earnings per common share and common share equivalent   $ 0.01     $ 0.08     $ 0.07     $ 0.15