Acquisitions (Details) (USD $)	12 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended			1 Months Ended	15 Months Ended		1 Months Ended
	Dec. 31, 2012 Black Diamond	Jun. 02, 2011 Black Diamond	Jun. 30, 2011 Black Diamond Developed research and development Y	Jun. 02, 2011 Black Diamond Developed research and development	Jun. 30, 2011 Black Diamond Customer relationships Y	Jun. 02, 2011 Black Diamond Customer relationships	Jun. 30, 2011 Black Diamond Tradename and trademarks Y	Jun. 02, 2011 Black Diamond Tradename and trademarks	Jun. 30, 2011 Black Diamond Non-competition agreements Y	Jun. 02, 2011 Black Diamond Non-competition agreements	Jun. 30, 2011 Black Diamond Industry partner agreements Y	Jun. 02, 2011 Black Diamond Industry partner agreements	Feb. 28, 2011 Syncova	Feb. 28, 2011 Syncova Developed research and development Y	Dec. 31, 2012 Syncova In-process research and development Y	Feb. 28, 2011 Syncova In-process research and development	Feb. 28, 2011 Syncova Customer relationships Y	Feb. 28, 2011 Syncova Non-competition agreements Y
Acquisitions
Cash acquired		$ 200,000											$ 800,000
Escrow deposit release	7,000,000
Amount of cash purchase price placed into escrow													4,900,000
Estimated Life (in years)			5		7		5		3		5			6	3		8	3
Allocation of the purchase price
Identifiable intangible assets (liabilities), finite-lived				13,200,000		11,300,000		1,300,000		1,100,000		500,000		8,580,000		1,133,000	2,104,000	162,000
Goodwill		44,215,000											15,991,000
Deferred tax asset													1,128,000
Deferred tax liability													(2,996,000)
Deferred revenues		(230,000)											(2,035,000)
Net tangible assets		1,059,000											581,000
Purchase price, net of cash acquired		$ 72,444,000											$ 24,648,000