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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Total
Balance (in shares) at Dec. 31, 2014 20,485,043          
Balance at January 1, 2015 at Dec. 31, 2014 $ 206 $ 151,314 $ (79,596) $ (25,035) $ (1)  
Net income (loss)     (27,216)     $ (27,216)
Employee benefit related, net of tax       1,564   1,564
Foreign currency translation adjustment       (2,289)    
Restricted common stock grant (in shares) 287,500          
Restricted common stock grant $ 2 (2)        
Noncash compensation (in shares) 48,000          
Noncash compensation   842 0      
Treasury stock (in shares) (15,000)          
Retire treasury stock (in shares) (28,999)          
Retire treasury stock $ 0 (77)        
Balance (in shares) at Dec. 31, 2015 20,776,544          
Balance at December 31, 2015 at Dec. 31, 2015 $ 208 152,077 (106,812) (25,760) (1) 19,712
Net income (loss) $ 0 0 6,043 0 0 6,043
Employee benefit related, net of tax       942   942
Foreign currency translation adjustment       (1,780)    
Restricted common stock grant (in shares) 793,500          
Restricted common stock grant $ 5 (5)     1  
Noncash compensation (in shares) 48,000          
Noncash compensation   1,372        
Treasury stock (in shares) (94,000)          
Retire treasury stock (in shares) (194,354)          
Retire treasury stock   (192)        
Balance (in shares) at Dec. 31, 2016 21,329,690          
Balance at December 31, 2015 at Dec. 31, 2016 $ 213 $ 153,252 $ (100,769) $ (26,598) $ 0 $ 26,098