Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED AWARDS AND PER SHARE INFORMATION - Additional Information (Detail)

v2.4.0.6
STOCK-BASED AWARDS AND PER SHARE INFORMATION - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Apr. 30, 2011
Sep. 30, 2010
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
May 24, 2012
Dec. 31, 2011
Sep. 30, 2012
Stock Repurchase Program [Member]
Sep. 30, 2012
Stock Repurchase Program [Member]
Aug. 10, 2011
Stock Repurchase Program [Member]
Dec. 31, 2011
CEO [Member]
Sep. 30, 2012
CEO [Member]
Sep. 30, 2012
Consultant [Member]
Sep. 30, 2012
Warrant [Member]
Sep. 30, 2012
2002 Stock Incentive Plan [Member]
Stock-Based Awards and Per Share Information [Line Items]                                    
Common stock authorized for issuance under the 2002 Plan                                   6,950,000
Common stock issued pursuant to options exercised                                   2,498,000
Options available for future grant                                   751,000
Options outstanding     3,701,000       3,701,000     3,858,000               3,701,000
Compensation cost related to stock options     $ 357,000     $ 324,000 $ 1,280,000 $ 1,000,000                    
Net impact of share based compensation expense to earnings per basic share     $ (0.01)     $ (0.01) $ (0.04) $ (0.03)                    
Net impact of share based compensation expense to earnings per diluted share     $ (0.01)     $ (0.01) $ (0.04) $ (0.03)                    
Total unrecognized compensation cost     2.1       2.1                      
Unrecognized share based compensation cost to be recognized over weighted-average period             1 year 2 months 12 days                      
Accelerated vesting of stock options granted - CEO                           95,833        
Grant price of stock options     $ 1.02     $ 2.84 $ 1.55 $ 3.25           $ 2.58   $ 2.55    
Vesting period of stock options granted - CEO                           4 years        
Recognized stock compensation cost - CEO                             $ 183,000      
Non-qualified stock options granted - Consultant                               65,000    
Option expiry Duration                               5 years    
IR Warrants to purchase common stock granted 50,000 50,000                                
IR warrants issued to purchase common stock $ 0.74 $ 0.74                                
Recognized expense related to the IR Warrants     0     16000 23000 226000                    
Warrants to purchase common stock granted to Comerica Bank                 80,000                  
Exercise price of Comerica Warrants     2.00       2.00   2.83               2.00  
Outstanding stock options and warrants excluded from diluted loss per share     4,504,000     4,588,000 4,504,000 4,588,000                    
Special stock dividends intended for the year ended 12/31/2012             2.00%                      
Dividends declared, date of record     Sep. 14, 2012 Jun. 08, 2012 Mar. 15, 2012                          
Special stock dividends declared     0.50% 0.50% 0.50%                          
Number of shares authorized to repurchase                         2,000,000          
Total number of shares purchased                     133,365 133,365            
Average price paid per share                     $ 1.73 $ 1.73