We currently lease approximately 5,000 square feet of office space at 4995 Bradenton Avenue, Dublin, Ohio, as our principal offices, at a monthly base rent of $3,012. The current least term expired in June 2023. In June 2023, we executed an amendment to extend the lease term through December 2023 at a monthly base rent of $3,012.

In addition, we leased approximately 25,000 square feet of office space at 5600 Blazer Parkway, Dublin, Ohio, formerly our principal offices, at a monthly base rent of $28,149 in 2022. The lease term expired in October 2022 with an option to extend for an additional five years. The Company did not renew this lease. In June 2017, the Company executed a sublease arrangement for the Blazer Parkway space, providing for monthly sublease payments to Navidea of $39,124 through October 2022.

We currently lease office equipment at a monthly payment of $136, expiring in October 2024.

Total operating lease expense was $9,443 and $(29,681) for the three-month periods ended September 30, 2023 and 2022, respectively. Total operating lease expense was $28,340 and $43,493 for the nine-month periods ended September 30, 2023 and 2022, respectively. Operating lease expense was recorded in selling, general and administrative expenses on our condensed consolidated statements of operations.

The following table presents information about the amount, timing and uncertainty of cash flows arising from the Company’s operating leases as of September 30, 2023.

Cash paid for amounts included in the present value of operating lease liabilities was $28,329 and $281,668 during the nine-month periods ended September 30, 2023 and 2022, respectively, and is included in operating cash flows in the condensed consolidated statements of cash flows.