​

​

June 30, 

​

December 31, 

(in thousands)

  ​ ​ ​

2026

  ​ ​ ​

2025

Payroll and benefits related expenses

​

$

762

​

$

194

Collaboration and research agreements expenses

​

214

​

266

Professional services

​

524

​

679

Other accrued liabilities

​

84

​

158

Total accrued liabilities

​

$

1,584

​

$

1,297