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Note 5 - Loss Per Share (Tables)
 3 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Diluted loss per share for the three months ended June 30, 2013 and 2012 does not include common stock equivalents, as these stock equivalents would be anti-dilutive.

   
Three Months Ended
   
Three Months Ended
 
   
June 30,
2013
   
June 30,
2012
 
Basic net loss per share computation:
           
 Net loss
 
$
(85,772
)
 
$
(668,800
)
  Weighted-average common shares outstanding
   
3,079,871
     
2,698,984
 
  Basic net loss per share
 
$
(0.03
)
 
$
(0.25
)
Diluted net loss  per share computation:
               
  Net loss
 
$
(85,772
)
 
$
(668,800
)
  Weighted-average common shares outstanding
   
3,079,871
     
2,698,984
 
  Incremental shares attributable to the assumed exercise of outstanding stock options
   
-
     
-
 
  Total adjusted weighted-average shares
   
3,079,871
     
2,698,984
 
  Diluted net loss per share
 
$
(0.03
)
 
$
(0..25
)