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Stock Repurchase Program (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2012
Stock Repurchase Program [Abstract]      
Stock repurchase program, authorized amount   $ 6,000,000  
Shares repurchased under stock repurchase program (in shares) 103,000 103,000  
Average price of shares repurchased (in dollars per share) $ 2.77    
Total share purchase price of shares repurchased 285,000 285,000 0
Amount available for future repurchases   $ 5,700,000