XML 22 R37.htm IDEA: XBRL DOCUMENT

Property and Equipment (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Property Plant and Equipment (Textual) [Abstract]
Depreciation expense, inclusive of expense captured in cost of revenue	$ 2.5	$ 2.1

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References+ Details