Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION - Additional Information (Detail)

v2.4.0.6
BASIS OF PRESENTATION - Additional Information (Detail) (USD $)
9 Months Ended
Sep. 30, 2012
Agreement
May 24, 2012
Dec. 31, 2011
Sep. 30, 2011
Dec. 31, 2010
Basis Of Presentation [Line Items]          
Money market securities maximum maturities period 3 months        
Money market securities $ 451,000   $ 0    
Working capital 6,200,000        
Cash and cash equivalents 1,295,000   3,307,000 5,757,000 1,694,000
Net accounts receivable 10,309,000   8,899,000    
Line of credit remaining borrowing capacity 5,100,000        
Number revolving credit facility agreements 2        
Line of credit borrowing capacity 8,000,000 8,000,000      
Borrowings amount 2,200,000        
Period of financial resources The Company may not have enough cash or financial resources to operate for the next twelve months        
Revolving Credit Facility [Member]
         
Basis Of Presentation [Line Items]          
Borrowings amount $ 2,200,000