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Bank Borrowings
12 Months Ended
Dec. 31, 2011
Bank Borrowings
4. Bank Borrowings

The Company has an unsecured revolving credit agreement with a bank. Under the terms of the agreement, dated January 29, 2010, the Company can borrow up to $10,000. The Company has the option of choosing either the bank’s fluctuating Base Rate or LIBOR Fixed Rate, plus an Applicable Margin, all as defined in the credit agreement. The terms of the credit agreement provide for certain affirmative and negative covenants and require the Company to maintain certain financial ratios. Commitment fees are payable quarterly at the annual rate of 0.50% of the unused line of credit. Commitment fees for 2011 and 2010 were $51 and $47, respectively. Under the terms of the expired agreement, commitment fees payable quarterly at the annual rate of 0.375% of the unused line of credit were $38 in 2009.