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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-in Capital
Treasury Stock
(Accumulated Deficit)
Accumulated Other Comprehensive Income
Non-controlling interest
Total
Balance at Dec. 31, 2013 $ 151 $ 1,280,810 $ (20,421) $ (1,176,022) $ 65,862   $ 150,380
Balance (in shares) at Dec. 31, 2013 39,777,854            
Increase (Decrease) in Stockholders' Equity              
Common stock issued $ 8 5,332         5,340
Common stock issued (in shares) 2,000,000            
Repurchase of ordinary shares     (10,308)       (10,308)
Repurchase of ordinary shares (in shares) (4,050,296)            
Restricted stock issued and restricted stock units released (in shares) 420,518            
Stock-based compensation   2,289         2,289
Treasury stock retirement $ (37) (30,249) 30,286        
Net income (loss)       (30,264)     (30,264)
Other comprehensive income:              
Foreign currency translation         (2,902)   (2,902)
CTA recognition due to closure of the subsidiaries         121   121
Unrealized gain from available-for-sale investments         673   673
Balance at Dec. 31, 2014 $ 122 1,258,182 (443) (1,206,286) 63,754   115,329
Balance (in shares) at Dec. 31, 2014 38,148,076            
Increase (Decrease) in Stockholders' Equity              
Common stock issued upon option exercise   39         $ 39
Common stock issued upon option exercise (in shares) 11,543           12,000
Repurchase of ordinary shares     (3,695)       $ (3,695)
Repurchase of ordinary shares (in shares) (1,563,302)            
Restricted stock issued and restricted stock units released (in shares) 138,997            
Stock-based compensation   1,546         1,546
Net income (loss)       (27,158)     (27,158)
Other comprehensive income:              
Foreign currency translation         (1,611)   (1,611)
Unrealized gain from available-for-sale investments         (673)   (673)
Balance at Dec. 31, 2015 $ 122 1,259,767 (4,138) (1,233,444) 61,470   $ 83,777
Balance (in shares) at Dec. 31, 2015 36,735,314           36,735,000
Increase (Decrease) in Stockholders' Equity              
Repurchase of ordinary shares     (4,096)       $ (4,096)
Repurchase of ordinary shares (in shares) (2,054,655)            
Restricted stock issued and restricted stock units released (in shares) 543,894            
Stock-based compensation   2,238         2,238
Net income (loss)       290   $ (158) 132
Acquisition of non-controlling interests           $ 158 158
Other comprehensive income:              
Foreign currency translation         570   570
CTA recognition due to closure of the subsidiaries         (38)   (38)
Balance at Dec. 31, 2016 $ 122 $ 1,262,005 $ (8,234) $ (1,233,154) $ 62,002   $ 82,741
Balance (in shares) at Dec. 31, 2016 35,224,553           35,225,000