notes to consolidated financial statements ( continued ) march 31 , 2004 5 . income taxes ( continued ) the effective tax rate of zero differs from the statutory rate of 34% ( 34 % ) primarily due to the inability of the company to recognize deferred tax assets for its operating losses and tax credits . of the total valuation allowance , approximately $ 2400000 relates to stock option compensation deductions . the tax benefit associated with the stock option compensation deductions will be credited to equity when realized . 6 . commitments and contingencies the company applies the disclosure provisions of fin no . 45 , guarantor 2019s accounting and disclosure requirements for guarantees , including guarantees of indebtedness of others , and interpretation of fasb statements no . 5 , 57 and 107 and rescission of fasb interpretation no . 34 ( fin no . 45 ) to its agreements that contain guarantee or indemnification clauses . these disclosure provisions expand those required by sfas no . 5 , accounting for contingencies , by requiring that guarantors disclose certain types of guarantees , even if the likelihood of requiring the guarantor 2019s performance is remote . the following is a description of arrangements in which the company is a guarantor . product warranties 2013 the company routinely accrues for estimated future warranty costs on its product sales at the time of sale . the ab5000 and bvs products are subject to rigorous regulation and quality standards . while the company engages in extensive product quality programs and processes , including monitoring and evaluating the quality of component suppliers , its warranty obligation is affected by product failure rates . operating results could be adversely effected if the actual cost of product failures exceeds the estimated warranty provision . patent indemnifications 2013 in many sales transactions , the company indemnifies customers against possible claims of patent infringement caused by the company 2019s products . the indemnifications contained within sales contracts usually do not include limits on the claims . the company has never incurred any material costs to defend lawsuits or settle patent infringement claims related to sales transactions . under the provisions of fin no . 45 , intellectual property indemnifications require disclosure only . as of march 31 , 2004 , the company had entered into leases for its facilities , including its primary operating facility in danvers , massachusetts , with terms through fiscal 2010 . the company has elected not to exercise a buyout option available under its primary lease that would have allowed for early termination in 2005 . total rent expense under these leases , included in the accompanying consolidated statements of operations , was approximately $ 856000 , $ 823000 and $ 821000 for the fiscal years ended march 31 , 2002 , 2003 and 2004 , respectively . during the fiscal year ended march 31 , 2000 , the company entered into 36-month operating leases totaling approximately $ 644000 for the lease of office furniture . these leases ended in fiscal year 2003 and at the company 2019s option the furniture was purchased . rental expense recorded for these leases during the fiscal years ended march 31 , 2002 and 2003 was approximately $ 215000 and $ 127000 respectively . during fiscal 2000 , the company entered into a 36-month capital lease for computer equipment and software for approximately $ 221000 . this lease ended in fiscal year 2003 and at the company 2019s option these assets were purchased . future minimum lease payments under all non-cancelable operating leases as of march 31 , 2004 are approximately as follows ( in thousands ) : .
what percentage of total future minimum lease payments are due in 2007?
from time-to-time , the company is involved in legal and administrative proceedings and claims of various types . while any litigation contains an element of uncertainty , management , in consultation with the company 2019s general counsel , presently believes that the outcome of each such other proceedings or claims which are pending or known to be threatened , or all of them combined , will not have a material adverse effect on the company. .