v3.25.2
Prepaid Expenses and other assets (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Schedule of Prepaid Expenses and Other Assets

Prepaid expenses and other assets consisted of the following (in thousands):

​

​

​

​

​

​

​

​

    

June 30, 2025

    

December 31, 2024

Research and development

​

$

—

​

$

1,715

Collaboration receivable (Note 10)

​

 

—

​

 

2,864

Other receivables (a)

​

 

579

​

 

—

Deposits

​

 

—

​

 

925

Insurance

​

 

1,628

​

 

340

Other

​

 

78

​

 

72

​

​

$

2,285

​

$

5,916

(a)“Other receivables” primarily consisted of equipment sales, sales and use tax refunds, and research and development tax refunds.

Prepaid expenses and other assets consisted of the following (in thousands):

​

​

​

​

​

​

​

​

​

December 31,

​

    

2024

    

2023

Research and development

​

$

1,715

​

$

278

Collaboration receivable

​

 

2,864

​

 

—

Insurance

​

 

340

​

 

402

Deposits

​

 

925

​

 

891

Other

​

 

72

​

 

1,295

​

​

$

5,916

​

$

2,866

​