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Stock-Based Compensation; Changes in Equity (Tables)
 6 Months Ended
Jun. 30, 2012
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of the Company’s stock option activity and related information is as follows:

 

    Shares under Option     Weighted Average Exercise Price     Weighted Average Contractual Life     Aggregate Intrinsic Value  
Balance at December 31, 2011     162,500     $ 4.25                  
Granted     -       -                  
Cancelled     1,000       1.92                  
Exercised     13,500       5.97                  
Outstanding at June 30, 2012     148,000     $ 4.45       2.80     $ 167,446  
                                 
Exercisable at June 30, 2012     72,875     $ 2.73       2.10     $ 167,446  

 
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Outstanding by Grant Date [Table Text Block]

A summary of the Company’s stock option activity by grant date as of June 30, 2012 is as follows:

 

  Options Outstanding Options Vested
Options by Grant Date Shares Weighted Avg. Remain. Life Intrinsic Val Shares Weighted Avg. Remain. Life Intrinsic Val
Dec 2005  35,000  $ 2.88 3.5  $  72,450      35,000  $        2.88 3.8  $      72,450
Oct 2008    2,500     4.97 0.3             -          2,500            4.97 0.3                 -  
Nov 2008  30,000     1.78 0.4      94,996      30,000            1.78 0.4          94,996
Dec 2010  72,500     6.14 3.5             -          5,375            5.97 3.5                 -  
Jan 2011    8,000     5.96 3.5             -               -                  -   -                 -  
TOTAL 148,000  $ 4.45 2.8  $ 167,446      72,875  $        2.73 2.1  $     167,446