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LEASE ARRANGEMENTS
 12 Months Ended
Sep. 30, 2011
LEASE ARRANGEMENTS
6.  LEASE ARRANGEMENTS
 
The total amount of equipment capitalized under capital lease obligations as of September 30, 2011 and 2010 was $6,222 and $4,334, respectively. Accumulated amortization on capital leases at September 30, 2011 and 2010 was $4,086 and $2,736, respectively. Amortization of assets acquired through capital leases is included in depreciation expense.
 
During fiscal 2011, we added $1,888 in equipment to our U.S. and U.K. bioanalytical laboratories through new capital lease arrangements.  In fiscal 2010, we did not acquire any new equipment through capital lease arrangements. On February 1, 2010, we conducted a sale and leaseback of some of our unencumbered laboratory equipment with a term of 36 months and a monthly payment of $19.  Future minimum lease payments on capital leases at September 30, 2011 for the next five years are as follows:

   
Principal
    
Interest
    
Total
  
2012
   $ 613     $ 117     $ 730  
2013
     309       59       368  
2014
     254       41       295  
2015
     270       25       295  
2016
     238       7       245  
    $ 1,684     $ 249     $ 1,933  

We lease office space and equipment under noncancelable operating leases that terminate at various dates through 2016. The UK building lease expires in 2023 but includes an opt out provision after 7 years, or in fiscal 2015. Certain of these leases contain renewal options. Total rental expense under these leases was $441 and $439 in fiscal 2011 and 2010, respectively.
 
Future minimum lease payments for the following fiscal years under operating leases at September 30, 2011 are as follows:
 
2012
   $ 432  
2013
     421  
2014
     417  
2015
     351  
2016
     342  
After 2016
     2,240  
    $ 4,203  
 
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