Business Combination (Recognized Identified Assets Acquired and Liabilities Assumed) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended		9 Months Ended
	Mar. 31, 2013	Sep. 30, 2013	Jan. 07, 2013	Dec. 31, 2012	Sep. 30, 2013 Acquired core technologies	Jan. 07, 2013 Acquired core technologies	Sep. 30, 2013 Non-compete agreement	Jan. 07, 2013 Non-compete agreement
Aggregate Preliminary Purchase Price Components [Abstract]
Cash	$ 6,500
Milestone payable, current		500	500	0
Long-term contingent consideration			5,650
Total purchase price			12,650
Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Tangible assets (inventory and fixed assets)			100
Amortizable intangible assets						10,600		400
Amortization period (years)					12 years		4 years
Goodwill		14,846	1,550	13,296
Total purchase price			$ 12,650