Capital Stock (Details) (USD $) In Millions, except Share data, unless otherwise specified				12 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Jul. 31, 2007 Acquisition of Rhozet [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Jul. 23, 2002 Series A Preferred Stock [Member]	Dec. 31, 2007 Common Stock [Member]	Dec. 31, 2007 Common Stock [Member] Acquisition of Rhozet [Member]	Dec. 31, 2010 Common Stock [Member] Acquisition of Omneon [Member]
Capital stock (Textual) [Abstract]
Preferred stock authorized	5,000,000	5,000,000			100,000
Right Issue Allowed				Each preferred share purchase right entitles the holder to purchase from the Company one one-thousandth of a share of Series A Participating Preferred Stock, par value 0.001 per share, at a price of 25.00
Common stock, shares issued							905,624	14,150,122
Purchase price paid as Common Stocks							$ 8.40	$ 95.90
Shares Reserved for Future Issuance	1,135,485		200,854
Shares held back followed by closing of acquisition						at least 18 months
Preferred stock, par value	$ 0.001	$ 0.001
Repurchase Price of Preferred stock	$ 25.00