Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY

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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Retained Earnings
Shares Held In Treasury
Accumulated Other Comprehensive Income (Loss)
Noncontrolling Interest in Subsidiary
Redeemable Noncontrolling Interest
Beginning Balance at Dec. 31, 2014 $ 460,364 $ 204 $ 429,109 $ 31,797 $ (551) $ 95 $ (290)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Restricted stock grants   2 (2)          
Employee Stock Purchase Plan 1,096 1 1,095          
Tax benefit or deficit from share award plans (127)   (127)          
Share award amortization 3,723   3,723          
Cancellation of restricted stock 0   43   (43)      
Purchase of treasury shares (2,079)       (2,079)      
Acquisition of subsidiary with noncontrolling interest     (666)       666 $ 5,234
Net income (loss) 8,329     8,705     (376) (430)
Currency translation adjustments, net of tax (3)         (3)    
Ending Balance at Dec. 31, 2015 471,303 207 433,175 40,502 (2,673) 92 0  
Beginning Balance at Dec. 31, 2014               0
Ending Balance at Dec. 31, 2015               4,804
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Restricted stock grants   3 (3)          
Employee Stock Purchase Plan 836 1 835          
Tax benefit or deficit from share award plans (216)   (216)          
Share award amortization 4,633   4,633          
Cancellation of restricted stock 0   65   (65)      
Purchase of treasury shares (161)       (161)      
Acquisition of subsidiary with noncontrolling interest     0       0 0
Net income (loss) (14,327)     (14,327)     0 (583)
Ending Balance at Dec. 31, 2016 468,417 211 438,489 32,524 (2,899) 92 0  
Increase (Decrease) in Temporary Equity [Roll Forward]                
Contribution of capital from joint venture partner               6,349
Adjustment to carrying value of redeemable noncontrolling interest 6,349     6,349       (6,349)
Ending Balance at Dec. 31, 2016 4,221             4,221
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Restricted stock grants   3 (3)          
Employee Stock Purchase Plan 836 1 835          
Tax benefit or deficit from share award plans 0   0          
Share award amortization 4,671   4,671          
Cancellation of stock options (48)   (48)          
Purchase of treasury shares (52)       (52)      
Net income (loss) (28,161)     (28,161)     0  
Currency translation adjustments, net of tax 18         18    
Ending Balance at Dec. 31, 2017 445,681 $ 215 $ 443,944 $ 4,363 $ (2,951) $ 110 $ 0  
Increase (Decrease) in Temporary Equity [Roll Forward]                
Net income (loss)               (454)
Ending Balance at Dec. 31, 2017 $ 3,766             $ 3,766