.0 million under the revolving credit facility to fund seasonal working capital requirements and repaid it during the three months ended december 31 , 2011 . the interest rate under the revolving credit facility was 1.5% ( 1.5 % ) during the year ended december 31 , 2011 , and no balance was outstanding as of december 31 , 2011 . no balances were outstanding under the prior revolving credit facility during the year ended december 31 , 2010