At March 31,

2023

Principal payments

2023

$

906

2024

2,988

2025

1,106

Total future principal payments

5,000

Less unamortized discount

(256

)

Carrying value of long-term debt

4,744

Less current portion of long-term debt

(1,536

)

Final fee due at maturity in 2025

819

Long-term portion

$

4,027