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Revenue
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Contract Balances

The following table reflects the changes in contract balances for the years ended December 31, 2023 and 2022:

Contract Balances
Balance Sheet LocationDecember 31, 2023December 31, 2022
$ change

% change
(In thousands)
Accounts receivable, netAccounts receivable, net$65,360 $65,960 $(600)(0.9)%
Contract liabilities current
Deferred revenue$18,041 $11,291 $6,750 59.8 %
Contract liabilities non-current
Other non-current liabilities$73 $212 $(139)(65.6)%

For the year ended December 31, 2023, compared to the previous year, deferred revenue increased, primarily due to deferred service revenue increase, driven by the increases in cumulative paid accounts and rates of subscriptions.

For the years ended December 31, 2023 and 2022, $11.3 million and $29.4 million, respectively, of the recognized revenue was included in the contract liability balance at the beginning of the periods. There were no significant changes in estimates during the periods that would affect the contract balances. Refer to Note 4, Balance Sheet Components for further details of accounts receivable, net.

Performance Obligations

The total estimated service revenue expected to be recognized in the future related to performance obligations that are unsatisfied and partially unsatisfied as of December 31, 2023 was $18.8 million, with $18.7 million related to a performance obligation classified as less than one year. The performance obligation classified as greater than one year pertains to revenue deferral from prepaid services.

During the five-year period that commenced on January 1, 2020, Verisure Sàrl (“Verisure”) has an aggregate purchase commitment of $500.0 million. Based on the Supply Agreement with Verisure, a purchase obligation is not deemed to exist until we receive and accept Verisure’s purchase order. As of December 31, 2023, $469.8 million of the purchase commitment has been fulfilled. As of December 31, 2023, we had a backlog of $52.3 million which represents performance obligations that will be recognized as revenue once fulfilled, which is expected to occur over the next twelve months.

Disaggregation of Revenue

We disaggregate our revenue into three geographic regions: the Americas, EMEA, and APAC, where we conduct our business. The following table presents revenue disaggregated by geographic region.
 Year Ended December 31,
 202320222021
(In thousands)
Americas$301,418 $273,981 $271,182 
EMEA164,750 196,465 134,232 
APAC25,008 19,968 29,723 
Total$491,176 $490,414 $435,137