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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($)
shares in Thousands, $ 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        
Net loss (26,697)       (26,697)  
Dividends paid on preferred stocks (300)       (300)  
Stock-based compensation 1,443     1,443    
Exercise of stock options 1,785 $ 16   1,769    
Exercise of stock options, shares   160        
Common stock issued for services 155     155    
Common stock issued for services, shares   4        
Excess income tax benefit associated with stock-based compensation 596     596    
Balance at Sep. 30, 2015 $ 411,030 $ 2,713 $ 3,000 $ 174,500 $ 259,191 $ (28,374)
Balance, shares at Sep. 30, 2015   27,132