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Rental Equipment
 12 Months Ended
Sep. 30, 2013
Rental Equipment

9. Rental Equipment:

Rental equipment consisted of the following (in thousands):

 

 

AS OF SEPTEMBER 30,

 

 

2013

 

 

2012

 

Rental equipment, primarily geophones and related products             

$

  50,878

  

 

$

  39,766

  

Accumulated depreciation             

 

(13,970

) 

 

 

(11,913

) 

 

$

  36,908

  

 

$

  27,853

  

Rental equipment depreciation expense was $7.3 million, $5.5 million and $2.8 million in fiscal years 2013, 2012 and 2011, respectively. We transferred $4.9 million and $2.0 million of inventories to our rental equipment during fiscal years 2013 and 2012, respectively, which had a non-cash impact.