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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - 9 months ended Sep. 30, 2017 - USD ($)
shares in Thousands, $ in Thousands
Total
Accumulated Deficit
AOCI Attributable to Parent
Common Stock
Additional Paid-in Capital
Treasury Stock
Balance at Dec. 31, 2016 $ 169,777 $ (626,904) $ (431) $ 2,157 $ 816,016 $ (21,061)
Balance (in shares) at Dec. 31, 2016       21,573    
Balance (in shares) at Dec. 31, 2016           1,209
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (69,844) (69,844)        
Stock options exercised, net of tax withholdings 12       (48) $ 60
Stock options exercised, net of tax withholdings (in shares)           (4)
Issuance of restricted stock, net of tax withholdings (40)       (917) $ 877
Issuance of restricted stock, net of tax withholdings (in shares)           (44)
Stock-based compensation expense 806       806  
Repurchase of convertible senior debentures (826)       (826)  
Other comprehensive income 327   327      
Balance at Sep. 30, 2017 $ 100,212 $ (696,748) $ (104) $ 2,157 $ 815,031 $ (20,124)
Balance (in shares) at Sep. 30, 2017       21,573    
Balance (in shares) at Sep. 30, 2017           1,161