Quarterly report pursuant to Section 13 or 15(d)

Warranty and Preventative Maintenance Costs (Details)

v2.4.0.8
Warranty and Preventative Maintenance Costs (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Warranty and Preventative Maintenance Costs    
Reserve for warranty and preventative maintenance costs $ 0 $ 0