|12 Months Ended|
Dec. 31, 2022
The following tables present our revenues disaggregated by revenue source (in thousands).
Sales and usage-based taxes are excluded from revenues. No sales to an individual customer or in a country other than the United States accounted for 10% or more of the sales for the periods listed in the following tables. Revenue, classified by the major geographic areas in which our customers are located, was as follows:
Revenue from external customers, classified by significant product and service offerings, was as follows:
Deferred revenue recognized for the year ended December 31, 2022 and 2021 was $205.3 million and $187.3 million, respectively. Changes in unearned revenue were as follows:
Revenue allocated to remaining performance obligations represents contracted revenue that has not yet been recognized (“contracted not recognized revenue”), which includes both unearned revenue and revenue that will be billed and recognized in future periods. The Company has no material contracted not recognized revenue as of December 31, 2022 or December 31, 2021.
At December 31, 2022 and December 31, 2021, the Company had long-term unearned revenue of $29.9 million and $23.5 million, respectively. Unearned short-term revenue is recognized over the next 12-month period. The majority of unearned long-term revenue is recognized over a period of five years or less with immaterial amounts recognized through 2033.
The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef