Quarterly report pursuant to Section 13 or 15(d)

Revenue

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Revenue
 3 Months Ended
Mar. 31, 2024
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Subscriptions and services revenue consist of platform license subscriptions and application development services. Application transaction revenue is comprised of in-app advertising. Refer to our revenue recognition policy under the subheading, Revenue Recognition, in Note 2, "Summary of Significant Accounting Policies," in our Annual Report on Form 10-K filed with the SEC on March 15, 2024.
Disaggregation of Revenue
The following table sets forth our net revenues by category:

Three Months Ended March 31,
2024 2023
Subscriptions and services revenue $ 454  $ 1,156 
Application transaction 467  188 
Net revenues $ 921  $ 1,344 
The following table sets forth our concentration of revenue sources as a percentage of total net revenues:
Three Months Ended March 31,
2024 2023
Customer A 33  % 5  %
Customer B 4  % 30  %
Customer D 14  % 22  %
We generate revenue in domestic and foreign regions and attribute net revenue to individual countries based on the location of the contracting entity. We derived over 98% of our net revenues from within the United States for the three months ended March 31, 2024 and 2023.
Deferred Revenue
Deferred revenue consists of customer billings or payments received in advance of the recognition of revenue under the arrangements with customers. We recognize deferred revenue as revenue only when revenue recognition criteria are met. During the three months ended March 31, 2024, we recognized revenue of $440 that was included in our deferred revenue balance as of December 31, 2023.
Remaining Performance Obligations
Remaining performance obligations were $4,609 as of March 31, 2024, of which we expect to recognize approximately 37% as revenue over the next 12 months and the remainder thereafter.