.7 million loss on extinguishment of debt . certain of our debt agreements contain covenants that , among other things , require us to maintain a minimum level of liquidity , as well as limit our net funded debt-to-capital ratio , and maintain certain other ratios and restrict our ability to pay dividends . substantially all of our ships and other property and equipment are pledged as collateral for certain of our debt . we believe we were in compliance with our covenants as of december 31 , 2018