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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - 6 months ended Jun. 30, 2015 - USD ($)
$ in Thousands
Total
Common Stock Shares [Member]
Non-Redeemable Preferred Stock [Member]
Capital in Excess of Par Value [Member]
Retained Earnings [Member]
Treasury Stock-Common [Member]
Balance at Dec. 31, 2014 $ 434,048 $ 2,697 $ 3,000 $ 170,537 $ 286,188 $ (28,374)
Balance, shares at Dec. 31, 2014   26,968,212        
Net income 7,066       7,066  
Dividends paid on preferred stocks (300)       (300)  
Stock-based compensation 1,272     1,272    
Exercise of stock options 1,638 $ 14   1,624    
Exercise of stock options, shares   140,000        
Common stock issued for services 49     49    
Common stock issued for services, shares   2,000        
Excess income tax benefit associated with stock-based compensation 80     80    
Balance at Jun. 30, 2015 $ 443,853 $ 2,711 $ 3,000 $ 173,562 $ 292,954 $ (28,374)
Balance, shares at Jun. 30, 2015   27,109,544