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Note 9 - Stock Options & Share-based plan (Tables)
 6 Months Ended
Jun. 30, 2014
Stock Options [Abstract]  
Stock Option Transactions
The following table sets forth the stock option transactions for the six months ended June 30, 2014:
 
 
Number of options
 
Weighted average Exercise Price
 
Weighted average remaining contractual term (in years)
 
Aggregate Intrinsic Value
Outstanding at December 31, 2013
 
256,500

 
$
5.61

 
5.3
 
—

  Granted
 
—

 
—

 
—
 
—

  Exercised
 
(9,600
)
 
3.41

 
—
 
—

  Forfeited/expired
 
(56,500
)
 
7.15

 
—
 
—

Outstanding at June 30, 2014
 
190,400

 
5.26

 
6.6
 
—

 
 
 
 
 
 
 
 
 
Exercisable at June 30, 2014
 
83,400

 
$
5.90

 
4.9
 
$
118,476

Exercisable at December 31, 2013
 
120,000

 
$
6.34

 
2.5
 
$
8,850