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Note 4 - Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
Weighted Average Exercise
Price
   
#
of
shares
   
Weighted Average Remaining Contractual Term (in years)
   
Aggregate Intrinsic Value
 
Outstanding, January 1, 2011
  $ 4.35       103,600              
Granted
    1.19       12,000              
Cancelled
    -       -              
Exercised
    -       -              
Outstanding, June 30, 2011
  $ 4.40       115,600       5.37     $ 206,332  
Exercisable, June 30, 2011
  $ 4.35       103,600       5.44     $ 192,075  
                                 
Outstanding, January 1, 2012
  $ 4.40       115,600                  
Granted
    5.27       12,000                  
Cancelled
    -       -                  
Exercised
    -       -                  
Outstanding, June 30, 2012
  $ 4.48       127,600       5.13     $ 216,332  
Exercisable, June 30, 2012
  $ 4.40       115,600       4.69     $ 206,332  
Schedule of Share-based Compensation, Activity [Table Text Block]
   
June 30, 2012
   
June 30, 2011
 
Weighted average grant-date fair value of stock options granted
  $ 10,000     $ 14,257  
Total fair value of stock options vested
    N/A     $ 42,202  
Total intrinsic value of stock options exercised
    N/A       N/A