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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2011
Subsequent Event [Abstract]
Subsequent Events [Text Block]	Subsequent Event On September 20, 2011 we announced our entry into a definitive agreement under which we would acquire the secure data storage hardware assets of IronKey Systems Inc. (IronKey). We closed the acquisition on October 4, 2011. The preliminary purchase price consists of a cash payment of approximately $19.0 million. IronKey's storage hardware products provide secure managed portable storage and authentication. Its customers include Fortune 500 enterprises, government agencies and the military. We also entered into a strategic partnership whereby we received an exclusive license from IronKey for its secure storage management software and service as well as a license to use the IronKey brand for secure storage products including online cloud-based security service.