Commitments And Contingencies (Tables)
 9 Months Ended
Sep. 30, 2012
Commitments and Contingencies Disclosure [Abstract]  
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
The estimated earliest potential funding dates for these commitments at September 30, 2012 are as follows: 
  
Total

October through December 2012

$316

2013
1,425

2014
2,548

2015
3,793

2016
3,432

Thereafter
6,484

 

$17,998
Schedule Of Product Warranty Activity
The following table summarizes product warranty activity recorded during the nine months ended September 30, 2012 and 2011.
 
2012

 
2011

Beginning balance – January 1

$1,046

 

$1,076

Additions for current year deliveries
367

 
104

Reductions for payments made
(244
)
 
(196
)
Changes in estimates
212

 
7

Ending balance – September 30

$1,381

 

$991
Schedule Of Environmental Remediation Activity
The following table summarizes environmental remediation activity during the nine months ended September 30, 2012 and 2011.
 
2012

 
2011

Beginning balance – January 1

$758

 

$721

Reductions for payments made
(61
)
 
(54
)
Changes in estimates
65

 
120

Ending balance – September 30

$762

 

$787