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Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Summary of Inventories

Inventories are comprised of the following:

		September 30, 2012				December 31, 2011
Component parts		$	7,484			$	6,447
Work-in-process and finished goods			10,211				9,586
Total		$	17,695			$	16,033

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- Definition

Tabular disclosure of inventories.

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