Consolidated Statements of Stockholders' Equity (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2010 $ 93,989 $ 452 $ (28,130) $ 338,521 $ 561 $ (217,415)  
Common Stock, Shares, Issued at Dec. 31, 2010   (45,211,000) (3,219,000)        
Options and SARS, Exercises in Period, Shares 504,561 505,000          
Stock Issued During Period, Value, Stock Options Exercised 3,605 5   3,600      
Release of performance shares, Shares   549,000          
Release of performance shares, value 0 5   (5)      
Stock Received for Payment of Option Exercise Price Shares   (281,000)          
Stock Received for Payment of Option Exercise Price (2,660) (3)   (2,657)      
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares   (243,000)          
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options (2,158) (2)   (2,156)      
Share-based Compensation 9,649     9,649      
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax (302)       (302)    
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax (15)       (15)    
Net loss 13,000         (13,000)  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2011 89,108 457 (28,130) 346,952 244 (230,415)  
Common Stock, Shares, Issued at Dec. 31, 2011   (45,741,000) (3,219,000)        
Options and SARS, Exercises in Period, Shares 0            
Release of performance shares, Shares   883,000          
Release of performance shares, value 0 9   (9)      
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares   (354,000)          
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options (1,333) (3)   (1,330)      
Sale of subsidiary shares to non controlling interest 1,960           1,960
Share-based Compensation 6,976     6,976      
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax 259       259    
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax 6       6    
Net loss 13,181         (12,818) (363)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2012 83,795 463 (28,130) 352,589 509 (243,233) 1,597
Common Stock, Shares, Issued at Dec. 31, 2012 (46,270,136) (46,270,000) (3,219,000)        
Options and SARS, Exercises in Period, Shares 0            
Release of performance shares, Shares   491,000          
Release of performance shares, value 0 5   (5)      
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options Shares   (190,000)          
Stock Received for Payment of Employee Taxes on Vesting of Performance Shares and Upon Exercise of Stock Options (444) (2)   (442)      
Sale of subsidiary shares to non controlling interest 0           0
Share-based Compensation 2,538     2,538      
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax 506       506    
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax 0       0    
Net loss 18,418         (17,610) (808)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest at Dec. 31, 2013 $ 67,977 $ 466 $ (28,130) $ 354,680 $ 1,015 $ (260,843) $ 789
Common Stock, Shares, Issued at Dec. 31, 2013 (46,571,034) (46,571,000) (3,219,000)