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6. Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2014
Stockholders Equity Tables  
Changes in consolidated stockholders' equity
    Common Stock Shares     Common Stock Amount     Additional Paid-In Capital    

Accumulated

Earnings (Deficit)

    Total  
                               
Balance at December 31, 2013     13,588,804     $ 8,153     $ 24,672     $ (1,405 )   $ 31,420  
Common stock option exercise and issued     76,283       46       98             144  

Share-based compensation

   expense

                36             36  
Net income                       1,802       1,802  
Balance at September 30, 2014     13,665,087     $ 8,199     $ 24,806     $ 397     $ 33,402