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Stock-Based Compensation - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation cost $ (3) $ 8 $ 6 $ 33
Vesting periods exercisable from date of grant     10 years  
Stock options canceled or forfeited     (3,604)  
Stock Options Exercised         
Stock Options Granted     30,000  
Unrecognized compensation cost related to nonvested stock options granted under Plans 25   25  
Nonvested stock options, expected to vest 37,000   37,000  
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares for stock option grants 338,778   338,778  
Stock Options Exercised 0 0 0 0
Stock Options Granted   0    
Cost expected to be recognized over a weighted-average period     1 year 9 months 18 days  
Nonvested stock options, expected to vest 37,000   37,000  
Stock Options [Member] | 1999 Stock-Based Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares for stock option grants 38,778   38,778  
Stock Options [Member] | 2003 Equity Compensation Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares for stock option grants   100,000   100,000
Stock Options [Member] | Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting periods     3 years  
Stock Options [Member] | Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting periods     1 year  
Restricted Stock [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost related to nonvested stock options granted under Plans 3   3  
Cost expected to be recognized over a weighted-average period     9 months 18 days  
Shares available to be issued, net of option awards under the Plans 204,344   204,344  
Shares issued 0   0  
Total Fair Value of shares vested $ 1 $ 2 $ 4 $ 14
Restricted Stock [Member] | 2003 Equity Compensation Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares for stock option grants 15,511   15,511  
Restricted Stock [Member] | 2009 Equity Compensation Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares for stock option grants 200,000 30,000 200,000 30,000
Restricted Stock [Member] | Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting periods     3 years  
Restricted Stock [Member] | Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting periods     1 year