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STOCK BASED COMPENSATION (Details) (USD $)
 3 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2012
$3.84 [Member]
Jun. 30, 2012
$3.84 [Member]
Jun. 30, 2012
$11.22 [Member]
Jun. 30, 2012
$11.22 [Member]
Jun. 30, 2012
$11.54 [Member]
Jun. 30, 2012
$11.54 [Member]
Jun. 30, 2012
$11.75 [Member]
Jun. 30, 2012
$11.75 [Member]
Jun. 30, 2012
$14.32 [Member]
Jun. 30, 2012
$14.32 [Member]
Jun. 30, 2012
$14.98 [Member]
Jun. 30, 2012
$14.98 [Member]
Jun. 30, 2012
$19.88 [Member]
Jun. 30, 2012
$19.88 [Member]
Jun. 30, 2012
$23.22 [Member]
Jun. 30, 2012
$23.22 [Member]
Jun. 30, 2012
$10.90 [Member]
Jun. 30, 2012
$10.90 [Member]
Jun. 30, 2012
$10.90b [Member]
Jun. 30, 2012
$10.90b [Member]
Jun. 30, 2012
Minimum [Member]
Jun. 30, 2012
Maximum [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Jun. 30, 2011
2006 Stock Option Plan [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Jun. 30, 2011
2006 Stock Option Plan [Member]
Dec. 31, 2011
2006 Stock Option Plan [Member]
Mar. 02, 2006
2006 Stock Option Plan [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Minimum [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Maximum [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Non Employee Director [Member]
Jun. 30, 2011
2006 Stock Option Plan [Member]
Non Employee Director [Member]
Mar. 31, 2011
2006 Stock Option Plan [Member]
Non Employee Director [Member]
Jun. 30, 2012
2006 Stock Option Plan [Member]
Non Employee Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                                            
Number of shares reserved for issuance of stock options to directors, officers, key employees, and others (in shares)                                                               750,000            
Outstanding incentive stock options exercisable period (in years)                                                                 5 years 10 years        
Percentage outstanding incentive stock options vest in increments each year (in hundredths)                                                         20.00%                  
Outstanding nonqualified stock options exercisable period (in years)                                                                 5 years 10 years        
Options issued in the period (in shares)                                                         14,000   125,000              
Price per per-share of option exercise (in dollars per share) $ 10.90 $ 11.54 $ 6.14                                           $ 5.54 $ 6.06     $ 5.96 $ 6.14                
Weighted average grant date fair value of options granted (in dollars per share) $ 10.90 $ 11.54 $ 6.14                                           $ 5.54 $ 6.06     $ 5.96 $ 6.14                
Number of shares available for granting future options (in shares)                                                     401,000   401,000                  
Total grant date fair value of options vested                                                         $ 199,000 $ 98,000                
Total pre-tax stock-based compensation expense                                                     155,000 18,000 254,000 135,000         116,000 98,000   199,000
Annual grant to each non-employee director (in shares)                                                                     3,000   2,000 5,000
Total unvested stock-based compensation expense                                                     846,000 280,000 846,000 280,000                
Share-based Compensation, Total   254,000 135,000                                                     5,000                
Compensation expense related to unvested option expected to be recognized in current fiscal year                                                         97,000                  
Compensation expense related to unvested option expected to be recognized in 2013                                                         195,000                  
Compensation expense related to unvested option expected to be recognized in 2014                                                         195,000                  
Compensation expense related to unvested option expected to be recognized in 2015                                                         189,000                  
Compensation expense related to unvested option expected to be recognized in 2016                                                         128,000                  
Compensation expense related to unvested option expected to be recognized in 2017   42,000                                                                        
Increase in diluted and basic loss per common share due to recognition of stock based compensation expense (in dollars per share)                                                     $ 0.01   $ 0.02 $ 0.01                
Summary of Black-Scholes-Merton ("BSM") option-pricing model                                                                            
Dividend yield (in hundredths)   0.00% 0.00%                                                                      
Volatility (in hundredths)     65.81%                                           57.88% 65.89%                        
Risk-free rate (in hundredths)     1.79%                                           0.64% 1.09%                        
Expected life (in years)     4 years 3 months 18 days                                           4 years 2 months 12 days 6 years 6 months                        
Fair value of options (in dollars per share) $ 10.90 $ 11.54 $ 6.14                                           $ 5.54 $ 6.06     $ 5.96 $ 6.14                
Shares Under Options                                                                            
Outstanding-beginning of year (in shares)   180,942                                                                        
Granted (in shares)   139,000                                                                        
Exercised (in shares)   (6,000)                                                                        
Cancelled/forfeited/expired (in shares)   (12,000)                                                                        
Outstanding, ending balance (in shares) 301,942 301,942                                                                        
Exercisable, ending balance (in shares) 153,500 153,500                                                                        
Weighted-Average Exercise Price                                                                            
Outstanding-beginning of year (in dollars per share)   $ 16.50                                                                        
Granted (in dollars per share)   $ 10.96                                                                        
Exercised (in dollars per share)   $ 9.04                                                                        
Cancelled/forfeited/expired (in dollars per share)   $ 22.92                                                                        
Outstanding, ending balance (in dollars per share) $ 13.85 $ 13.85                                                                        
Exercisable, ending balance (in dollars per share) $ 16.60 $ 16.60                                                                        
Weighted- Average Remaining Contractual Term                                                                            
Outstanding, ending balance (in years)   5 years 9 months 18 days                                                                        
Exercisable, ending balance (in years)   2 years 3 months 18 days                                                                        
Aggregate Intrinsic Value                                                                            
Outstanding, ending balance 23,240 [1] 23,240 [1]                                                                        
Exercisable, ending balance 23,240 [1] 23,240 [1]                                                                        
Market value of common stock (in dollars per share)                                                     $ 9.65   $ 9.65                  
Summary of weighted average exercise price and weighted average remaining contractual life of options outstanding [Abstract]                                                                            
Exercise Price, (in dollars per share)   $ 10.9     $ 3.84   $ 11.22   $ 11.54   $ 11.75   $ 14.32   $ 14.98   $ 19.88   $ 23.22                                      
Shares Under Outstanding Options, (in shares)       301,942   4,000   54,442   12,000   12,000   14,000   14,000   12,500   54,000   21,000   104,000                            
Weighted-Average Remaining Contractual Term (in years)   5 years 9 months 18 days     1 year 8 months 12 days   8 years 4 months 24 days   4 years 8 months 12 days   3 years 8 months 12 days   2 years 8 months 12 days   8 months 12 days   0 years 2 months 12 days   0 years 2 months 12 days   4 years 10 months 24 days   9 years 10 months 24 days                              
Shares Under Exercisable Options (in shares) 153,500 153,500     4,000   10,000   12,000   12,000   14,000   14,000   12,500   54,000   21,000   0                              
Cash received from option exercises   $ 55,000 $ 15,000                                                                      
[1] The intrinsic value of a stock option is the amount by which the market value of the underlying stock exceeds the exercise price of the option. The per share market value of our common stock, as determined by the closing price on June 30, 2012, was $9.65.