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Consolidated Statements of Changes in Shareholder's Equity and Accumulated Other Comprehensive Income (Loss) (USD $)
In Thousands, except Share data, unless otherwise specified
Total
Common Stock
Noncontrolling Interest
Capital in excess of Par Value
Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) Other Unrealized Net Gain (Loss)
Accumulated Deficit
Treasury Stock
Beginning balance at Dec. 31, 2008 $ 88,153 $ 1,815 $ 21 $ 167,259 $ (1,918) $ (12) $ (74,780) $ (4,232)
Beginning balance, shares at Dec. 31, 2008   18,227,009            
Comprehensive loss:                
Net loss (9,231)   10       (9,241)  
Other comprehensive income (loss):                
Foreign currency translation adjustments 662       662      
Unrealized loss on interest rate swap arrangements 12         12    
Other comprehensive income (loss) 674              
Comprehensive loss (8,557)              
Investment in India JV by noncontrolling interest 23   23          
Short-swing profit recovery 6     6        
Stock-based compensation related to stock options 964     964        
Shares issued (cancelled) and compensation under restricted stock grants, shares   7,756            
Shares issued (cancelled) and compensation under restricted stock grants 100     100        
Shares purchased in connection with stock repurchase program (3,326)             (3,326)
Shares issued in connection with acquisitions, shares   21,340            
Shares issued in connection with acquisitions 136 2   134        
Shares issued to directors, shares   46,339            
Shares issued to directors 266 5   261        
Shares issued under stock option and warrant exercises, shares   82,472            
Shares issued under stock option and warrant exercises 349 9   340        
Ending balance at Dec. 31, 2009 78,114 1,831 54 169,064 (1,256) 0 (84,021) (7,558)
Ending balance, shares at Dec. 31, 2009   18,384,916            
Comprehensive loss:                
Net loss (6,209)   (30)       (6,179)  
Other comprehensive income (loss):                
Foreign currency translation adjustments (6)       (6)      
Other comprehensive income (loss) (6)              
Comprehensive loss (6,215)              
Stock-based compensation related to stock options 670     670        
Shares issued (cancelled) and compensation under restricted stock grants, shares   (27,535)            
Shares issued (cancelled) and compensation under restricted stock grants (2)     92       (94)
Shares issued in connection with acquisitions, shares   200,000            
Shares issued in connection with acquisitions 858 20   838        
Shares issued to directors, shares   66,301            
Shares issued to directors 315 13   302        
Shares issued under stock option and warrant exercises, shares   16,001            
Shares issued under stock option and warrant exercises 55 1   54        
Ending balance at Dec. 31, 2010 73,795 1,865 24 171,020 (1,262) 0 (90,200) (7,652)
Ending balance, shares at Dec. 31, 2010   18,639,683            
Comprehensive loss:                
Net loss (2,138)   (58)       (2,080)  
Other comprehensive income (loss):                
Foreign currency translation adjustments 277       277      
Other comprehensive income (loss) 277              
Comprehensive loss (1,861)              
Stock-based compensation related to stock options 946     946        
Shares issued (cancelled) and compensation under restricted stock grants, shares   (2,905)            
Shares issued (cancelled) and compensation under restricted stock grants (33)     (27)       (6)
Shares issued to directors, shares   61,643            
Shares issued to directors 306 7   299        
Shares issued under stock option exercises, shares   18,500            
Shares issued under stock option exercises 73 2   71        
Ending balance at Dec. 31, 2011 $ 73,226 $ 1,874 $ (34) $ 172,309 $ (985) $ 0 $ (92,280) $ (7,658)
Ending balance, shares at Dec. 31, 2011   18,716,921