Note 7. Equipment Subject to Operating Lease, Net

The equipment subject to operating leases to customers had a cost basis of $3.6 million and accumulated depreciation of $0.5 million as of September 30, 2025. The equipment leased to customers had a cost basis of $4.6 million and accumulated depreciation of $0.9 million as of December 31, 2024.

The total depreciation expense was $0.0 and $0.1 million included in cost of revenue for the three months ended September 30, 2025 and 2024, respectively. The total depreciation expense was $0.0 and $0.6 million included in cost of revenue for the nine months ended September 30, 2025 and 2024, respectively.