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Long-Term Debt
12 Months Ended
Sep. 30, 2021
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 $4.8 million as of September 30, 2021 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 was 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, or 4.00%.

 

Annual maturities relating to our long-term debt as of September 30, 2021 are as follows (in thousands):

 

 

 

Annual
Maturities

 

2022

 

$

396

 

2023

 

 

4,402

 

2024

 

 

 

2025

 

 

 

2026

 

 

 

Thereafter

 

 

 

Total

 

$

4,798