​

​

As of March 31, 

​

As of December 31, 

​

2024

2023

​

​

(in thousands)

Research and development costs

​

$

2,914

​

$

5,225

Employee compensation costs

​

2,248

​

6,614

Accrued goods and services

​

1,838

​

4,229

Professional services

​

​

595

​

​

755

Total

​

$

7,595

​

$

16,823