Warranty and Preventative Maintenance Costs

6 Months Ended

Jun. 30, 2011

Warranty and Preventative Maintenance Costs

Warranty and Preventative Maintenance Costs

8.             Warranty and Preventative Maintenance Costs

The Company warranties its products against manufacturing defects under normal use and service during the warranty period.  The Company evaluates the estimated future unrecoverable costs of warranty and preventative maintenance services for its installed base of products on a quarterly basis and adjusts its warranty reserve accordingly.  The Company considers all available evidence, including historical experience and information obtained from supplier audits.  There was no warranty liability recorded at June 30, 2011 or December 31, 2010.