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Warranties
 12 Months Ended
Dec. 31, 2011
Warranties [Abstract]  
Warranties

 

 

7.

WARRANTIES

Warranty liability and related activity consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

Years Ended December 31,

 

 

 

 

 

 

2011

 

2010

 

2009

 

 

 

 

 

 

Beginning balance

 

$

624

 

$

289

 

$

217

 

Warranty provisions

 

 

198

 

 

484

 

 

175

 

Warranty claims

 

 

(318

)

 

(149

)

 

(103

)

Adjustments to preexisting warranties

 

 

(81

)

 

—

 

 

—

 

 

 

 

 

 

Ending balance

 

$

423

 

$

624

 

$

289