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

(4)

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.

(5)Prepaid Expenses and Other Assets

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

​