Rental Equipment

12 Months Ended

Sep. 30, 2011

6. Rental Equipment:

Rental equipment consisted of the following (in thousands):


	AS OF SEPTEMBER 30,
	2011			2010
Rental equipment, primarily geophones and related products	$	21,250		$	19,421
Accumulated depreciation		(9,305	)		(11,418	)

	$	11,945		$	8,003

Rental equipment depreciation expense was $2.8 million, $1.1 million and $0.8 million in fiscal years 2011, 2010 and 2009, respectively. We transferred $0.3 million and $0.3 million of inventories to our rental equipment during fiscal years 2011 and 2010 which had a non-cash impact.