Note 4. Real Property and Other Income, Expense

The Company owns a two-building office complex in Austin, Texas, a portion of which serves as its corporate headquarters. Maintenance, physical facilities, leasing, property management and other key responsibilities related to property ownership are outsourced to professional real-estate managers. The office complex has approximately 90,000 square feet of rentable space. At March 31, 2026, the Company occupied approximately 25% of the property with the remainder either leased or available for lease to third parties.

The Company records the net income (loss) from building operations and leases as other income (loss), net, as leasing is not core to the Company’s operations. Building depreciation and amortization for space not occupied by the Company is included in general and administrative expense. Building depreciation and amortization for space occupied by the Company is allocated between general and administrative expense and research and development expense. Components of other income (loss), net, for the periods presented were as follows (in thousands):

The Company had accrued property taxes related to the building totaling $46,000 and $178,000 at  March 31, 2026 and December 31, 2025, respectively, included in other current liabilities.

Gross rental income under existing third-party leases at  March 31, 2026 is as follows (in millions):