Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

For the Years Ending December 31,	Future Minimum Lease Payments
2013	$	3,007
2014	2,685
2015	2,633
2016	1,559
2017	782
2018 and thereafter (through 2020)	1,266
Total future minimum lease commitments	$	11,932

Schedule of Product Warranty Liability [Table Text Block]

	For the Years Ended December 31,
	2012			2011
Warranty liability balance, beginning of the year	$	3,438		$	3,025
Product warranty accruals	5,332			2,987
Continuous Computing beginning balance	—			817
Adjustments for payments made	(4,816		)	(3,391		)
Warranty liability balance, end of the year	$	3,954		$	3,438