Long-Term Debt

12 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Long-Term Debt

12.  Long-Term Debt

We have a mortgage note secured by BTU’s real property in Billerica, Massachusetts.  The note has a remaining balance of $5.2 million as of September 30, 2020 and a maturity date of September 26, 2023. The debt was refinanced in September 2016 with an interest rate of 4.11% through September 26, 2021, at which time the interest rate will be adjusted to a per annum fixed rate equal to the aggregate of the Federal Home Loan Board Five Year Classic Advance Rate plus two hundred forty basis points.

Annual maturities relating to our long-term debt as of September 30, 2020 are as follows (in thousands):

	Annual Maturities
2021	$	380
2022		396
2023		4,402
2024		—
2025		—
Thereafter		—
Total	$	5,178