v3.25.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Schedule of cash, cash equivalents and restricted cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the condensed consolidated balance sheet as of September 30, 2025 and 2024, and December 31, 2024, to the amounts reported on the condensed consolidated statement of cash flows (in thousands):

  ​ ​ ​

September 30, 

December 31, 

September 30, 

2025

  ​ ​ ​

2024

2024

Cash

$

3,800

$

1,329

$

2,898

Cash equivalents

162

3,228

Restricted cash

 

309

 

307

306

Total cash, cash equivalents and restricted cash

$

4,271

$

4,864

$

3,204

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the consolidated balance sheet as of December 31, 2024 and 2023, to the amounts reported on the consolidated statement of cash flows (in thousands):

December 31, 

  ​ ​ ​

2024

  ​ ​ ​

2023

Cash

$

1,329

$

2,237

Cash equivalents

3,228

584

Restricted cash

 

307

 

307

Total cash, cash equivalents and restricted cash

$

4,864

$

3,128

Schedule of fair value hierarchy for financial assets and liabilities The following table represents the fair value hierarchy for the financial assets and liabilities held by the Company measured at fair value on a recurring basis (in thousands):

  ​ ​ ​

As of September 30, 2025

(in thousands)

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Money market funds

$

162

$

 —

$

 —

$

162

Total financial assets

$

162

$

$

$

162

Convertible debt subject to credit risk analysis

$

$

9,560

$

$

9,560

Total financial liabilities

$

$

9,560

$

$

9,560

  ​ ​ ​

As of December 31, 2024

(in thousands)

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Money market funds

$

3,228

$

 —

$

 —

$

3,228

Total financial assets

$

3,228

$

$

$

3,228

The following table represents the fair value hierarchy for the financial assets and liabilities held by the Company measured at fair value on a recurring basis (in thousands):

  ​ ​ ​

As of December 31, 2024

(in thousands)

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Money market funds

$

3,228

$

 —

$

 —

$

3,228

Total financial assets

$

3,228

$

$

$

3,228

  ​ ​ ​

As of December 31, 2023

(in thousands)

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Money market funds

$

378

$

 —

$

 —

$

378

Total financial assets

$

378

$

$

$

378