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Property and equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property and equipment, which include amounts recorded under capital leases, are stated at cost less accumulated depreciation and amortization (in thousands), and consist of the following:

	December 31,
	2012			2011

Equipment	$	23,798		$	21,833
Software		7,583			6,216
Furniture and office equipment		3,400			2,658
Leasehold improvements		7,362			5,591
Total		42,143			36,298

Less accumulated depreciation and amortization		(31,487	)		(28,868	)

	$	10,656		$	7,430

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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