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Stock Options (Tables)
 3 Months Ended
Mar. 31, 2013
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of option activity under the Company’s stock option plans as of March 31, 2013, and changes during the period then ended, is presented below:

 

    Number of Shares     Weighted-Average
Exercise Price		     Weighted-Average Remaining 
Contractual Term (years)		     Aggregate Intrinsic
Value		  
                         
Outstanding at January 1, 2013     2,986,057     $ 2.75                  
Granted     1,014,022       3.39                  
Exercised     (75,500 )     1.72                  
Forfeited/Expired     (47,500 )     3.99                  
Outstanding at March 31, 2013     3,877,079     $ 2.93       4.85     $ 2,379,411  
              2.73                  
Exercisable at March 31, 2013     1,338,057     $ 2.79       2.25     $ 1,150,020  
                                 
Vested and expected to vest at March 31, 2013     3,877,079     $ 2.93       4.85     $ 2,379,411  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

The fair value of stock options is estimated on the date of grant using the Black-Scholes option pricing model. The weighted average fair values of the options granted and weighted average assumptions are as follows:

 

    Three months ended  
    March 31,  
    2013     2012 (1)  
             
Weighted average fair value of options granted   $ 1.86     $ -  
                 
Risk-free interest rate     0.76 %     -  
Expected life (years)     5       -  
Expected volatility factor     67 %     -  
Expected dividends     -       -  

 

(1) There were no options granted during the three months ended March 31, 2012.
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of restricted shares under the Company’s stock option plans as of March 31, 2013, and changes during the period then ended, are presented below:

 

    Number of Shares     Weighted-Average Grant
Date Fair Value		  
             
Unvested at January 1, 2013     32,500     $ 3.14  
Granted     -       -  
Vested     -       -  
Forfeited/Expired     -       -  
Unvested at March 31, 2013     32,500     $ 3.14  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

The stock-based compensation expense related to the Company’s various stock awards was allocated as follows (in thousands):

 

    Three months ended March 31,  
    2013     2012  
             
Direct operating costs   $ 51     $ 25  
Selling and adminstrative expenses     227       254  
                 
Total stock-based compensation   $ 278     $ 279