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Deferred Revenue	12 Months Ended
Deferred Revenue	Dec. 31, 2013
Revenue Recognition [Abstract]
Deferred Revenue	Deferred Revenue Deferred revenue at December 31, 2013 was $17.6 million for the current portion and $0.9 million for the non-current portion. The deferred revenue at December 31, 2012 was $27.9 million for the current portion and $0.7 million for the non-current portion. Deferred revenue primarily consisted of unearned maintenance, software license and professional services revenue. Unearned maintenance revenue represented a contractual liability to provide maintenance support over a defined period of time for which payment has generally been received. Unearned software license and professional services revenue represented a contractual liability to provide professional services more substantive than post contract support for which not all payments have been received. Customer deposits for installation represented a contractual liability to provide installation and training services for which payments have been received. At December 31, 2013 and 2012, we had received $5.4 million and $2.1 million, respectively, in customer deposits for future installation services. We will recognize revenue when the service or software is provided or otherwise meets our revenue recognition criteria.