CREDIT AGREEMENT - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Line of Credit Facility [Line Items]
Debt discount recorded	$ 200,000
Debt discount amortized	100,000
Term Loan
Line of Credit Facility [Line Items]
Credit agreement, increase in borrowing capacity	20,000,000
Credit agreement, maximum borrowing capacity	59,000,000	40,000,000
Credit agreement, interest rate, margin rate above Base Rate	3.50%
Credit agreement, interest rate, margin rate above LIBOR Rate	3.50%
Credit agreement, quarterly payment commencement date	December 31, 2011
Credit agreement, quarterly installment payment	750,000
Credit agreement, due date	November 2, 2014
Revolving credit facility
Line of Credit Facility [Line Items]
Credit agreement, increase in borrowing capacity	20,000,000
Credit agreement, maximum borrowing capacity	$ 60,000,000	$ 40,000,000
Credit agreement, interest rate, margin rate above Base Rate	1.75%
Credit agreement, interest rate, margin rate above LIBOR Rate	3.50%
Credit agreement, due date	November 2, 2014
Credit Facility
Line of Credit Facility [Line Items]
Percentage of capital stock of foreign subsidiaries granted a security interest	65.00%