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6. Stockholders’ Equity (Tables)
6 Months Ended
Jun. 30, 2013
Stockholders Equity Tables  
Changes in consolidated stockholders’ equity
    Common Stock Shares     Common Stock Amount     Additional Paid-In Capital     Accumulated
Deficit
    Total  
                               
Balance at December 31, 2012     13,545,482     $ 8,127     $ 24,604     $ (2,547 )   $ 30,184  
Common stock option exercise and issued     34,989       21       13               34  
Share-based compensation    expense                 33             33  
Net income                       602       602  
Balance at June 30, 2013     13,580,471     $ 8,148     $ 24,650     $ (1,945 )   $ 30,853