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Deferred Revenue	12 Months Ended
Deferred Revenue	Dec. 31, 2015
Revenue Recognition [Abstract]
Deferred Revenue	Deferred Revenue Deferred revenue at December 31, 2015 was $27.0 million for the current portion and $0.7 million for the non-current portion. The deferred revenue at December 31, 2014 was $24.0 million for the current portion and $0.9 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. We will recognize revenue when the service or software is provided or when conditions meet our revenue recognition criteria.