6.         Revenue

The Company’s medical device segment (EksoHealth) revenue is primarily generated through the sale and subscription of the EksoNR, Ekso Indego Therapy, and Ekso Indego Personal devices, along with the sale of support and maintenance contracts. Revenue from medical device product sales is recognized at the point in time when control of the product transfers to the customer. Transfer of control generally occurs upon shipment from the Company’s facility for sales of the EksoNR, Ekso Indego Therapy, and Ekso Indego Personal devices. Support and maintenance contracts extend coverage beyond the Company’s standard warranty agreements ranging from 12 to 48 months. Revenue is recognized evenly over the term of the contracts. Revenue from medical device subscriptions is recognized evenly over the contract term, typically over 24 months.

The Company’s industrial device segment (EksoWorks) revenue is primarily generated through the sale of the upper body exoskeleton EVO and associated accessories. Revenue from industrial device sales is recognized at the point in time when control of the product transfers to the customer. Transfer of control generally occurs upon shipment from the Company’s facility. 

Deferred Revenue

Deferred revenue is comprised mainly of unearned revenue related to extended support and maintenance contracts, but also includes other offerings for which the Company has been paid in advance and earns revenue when the Company transfers control of the product or service.

Deferred revenue consisted of the following:

On September 25, 2023, the Company entered into a warranty claim lump-sum agreement with Parker Hannifin Corporation ("Parker"), pursuant to which, among other things, Parker paid the Company $700 for the release of Parker's obligation to reimburse the Company for its costs and expenses associated with servicing certain product warranty obligations.  The Company recorded the lump sum payment as deferred revenue and recognizes revenue as services are performed.

Deferred revenue activity consisted of the following for the nine months ended September 30, 2024:

The Company expects to recognize approximately $703 of the deferred revenue during the remainder of 2024, $1,559 in 2025, and $1,748 thereafter.

In addition to deferred revenue, the Company has a non-cancellable backlog of $3,417, related to its customer orders received but not fulfilled and other ancillary products and services of $2,885, expected to be recognized during 2024 and 2025, and contracts for subscription units of $532, expected to be recognized during 2024, 2025 and 2026.

Disaggregation of Revenue

The following table disaggregates the Company’s revenue by major source for the three months ended September 30, 2024:

The following table disaggregates the Company’s revenue by major source for the three months ended September 30, 2023:

The following table disaggregates the Company’s revenue by major source for the nine months ended September 30, 2024:

The following table disaggregates the Company’s revenue by major source for the nine months ended September 30, 2023: