Balance Sheet Account Detail (Tables)

3 Months Ended

Mar. 31, 2013

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Accounts receivable, net, consisted of the following:

	March 31, 2013		December 31, 2012
Trade accounts receivable, net of allowance for doubtful accounts of $237 and $472, respectively	$	23,615	$	21,212
VAT receivable	2,046		1,388
Accounts receivable, net	$	25,661	$	22,600

Schedule of Inventory, Current

Inventories are stated at the lower of cost or market value. Inventories consisted of the following:

	March 31, 2013		December 31, 2012
Raw materials	$	3,713	$	3,901
Work-in-process	4,648		5,102
Finished goods	10,236		9,084
Inventories	$	18,597	$	18,087

Schedule of Intangible Assets and Goodwill

Intangible assets with definite lives are amortized over their estimated useful lives using a method that reflects the pattern over which the economic benefit is expected to be realized, and is as follows:

	Useful Life
Goodwill	Indefinite lived
Trademarks and tradenames	Indefinite lived
In-process research and development	Indefinite lived until commercial launch of underlying technology
Developed technology	Thirteen years
Patents & license	Three to five years
Customer relationships	Three years

The following table presents goodwill, indefinite lived intangible assets, finite lived intangible assets, and related accumulated amortization:

	March 31, 2013			December 31, 2012
Goodwill	28,963			$	29,022
Intangible assets:
Indefinite lived intangibles
In-process research and development (1)	$	—		$	40,100
Trademarks and trade names	2,708			2,708
Total indefinite lived intangibles	$	2,708		$	42,808
Finite lived intangibles
Developed technology (1)	$	40,100		$	—
Accumulated amortization	(10		)	—
Developed technology, net	$	40,090		$	—
Patent	$	100		$	100
Accumulated amortization	(80		)	(75		)
Patent, net	$	20		$	25
License	$	100		$	100
Accumulated amortization	(20		)	(12		)
License, net	$	80		$	88
Customer relationships	$	506		$	522
Accumulated amortization	(126		)	(87		)
Customer relationships, net	$	380		$	435
Intangible assets (excluding goodwill), net	$	43,278		$	43,356

(1) Was reclassified in the first quarter of 2013 to finite lived intangibles, which coincided with the commercial launch of the product (Nellix System) associated with this intangible asset.

Schedule of Expected Amortization Expense

The Company recognized amortization expense on intangible assets during the three months ended March 31, 2013 and 2012 as follows:

	Three Months Ended
	March 31,
	2013		2012
Amortization expense	$	65	$	356

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the remainder of 2013 and the five succeeding fiscal years is as follows:

	Amortization Expense
Remainder of 2013	$	166
2014	392
2015	879
2016	1,542
2017	2,013
2018	2,500
2019 and thereafter	33,078