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Warranty (Tables)
 6 Months Ended
Jun. 30, 2013
Warranty  
Schedule of warranty provisions and claims

 

 

 

 

Three Months Ended
June 30,

 

Six Months Ended
June 30,

 

 

 

2013

 

2012

 

2013

 

2012

 

Beginning balance

 

$

245,269

 

$

180,325

 

$

240,621

 

$

205,506

 

Acquired provision — Dansensor acquisition

 

—

 

85,413

 

—

 

85,413

 

Warranty provisions

 

43,611

 

121,052

 

166,500

 

156,878

 

Warranty claims

 

(48,330

)

(135,880

)

(166,571

)

(196,887

)

Ending balance

 

$

240,550

 

$

250,910

 

$

240,550

 

$

250,910