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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, 2016 21,329,690          
Balance at Dec. 31, 2016 $ 213 $ 153,252 $ (100,769) $ (26,598)    
Net loss     (10,822)     $ (10,822)
Employee benefit related, net of tax of $230 and $400 in 2018 and 2017, respectively $ 0 0 0 628 $ 0 628
Foreign currency translation adjustment, net of tax       419    
Restricted common stock grant (in shares) 199,000          
Restricted common stock grant $ 2 (2)        
Noncash compensation (in shares) 42,000          
Noncash compensation   730        
Treasury stock (in shares) (39,000)          
Retire treasury stock (in shares) (109,613)          
Retire treasury stock $ (1) (122)        
Noncash compensation (in shares) (42,000)          
Balance (in shares) at Dec. 31, 2017 21,422,077          
Balance at Dec. 31, 2017 $ 214 153,858 (111,591) (25,551)   16,930
Net loss 0 0 (3,505) 0 0 (3,505)
Employee benefit related, net of tax of $230 and $400 in 2018 and 2017, respectively 0 0 0 761 0 761
Foreign currency translation adjustment, net of tax $ 0 0 0 (52) 0  
Noncash compensation (in shares) (42,000)          
Noncash compensation $ 0 637 0 0 0  
Retire treasury stock (in shares) (65,895)          
Retire treasury stock $ 0 (107) 0 0 0  
Noncash compensation (in shares) 42,000          
Balance (in shares) at Dec. 31, 2018 21,398,182          
Balance at Dec. 31, 2018 $ 214 154,388 (114,926) (24,842) 0 $ 14,834
Adoption of new accounting standards $ 0 $ 0 $ 170 $ 0 $ 0