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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2025
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 consolidated balance sheet as of December 31, 2025 and 2024, to the amounts reported on the consolidated statement of cash flows (in thousands):

  ​ ​ ​

December 31, 

December 31, 

2025

  ​ ​ ​

2024

Cash

$

538

$

1,329

Cash equivalents

174

3,228

Restricted cash

 

309

 

307

Total cash, cash equivalents and restricted cash

$

1,021

$

4,864

Schedule of estimated useful lives of property and equipment

Asset depreciation and amortization are computed using the following estimated useful lives:

Asset Type

  ​ ​ ​

Years

Lab equipment

 

5

Furniture and fixtures

 

7

Computer equipment

 

5

Schedule of fair value hierarchy for financial assets and liabilities

The carrying amounts of cash, cash equivalents, and restricted cash, accounts receivable, accrued liabilities, and accounts payable approximate fair value due to their relatively short-term maturities and are classified as short-term assets and liabilities in the accompanying balance sheets. 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, 2025

(in thousands)

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

  ​ ​ ​

Total

Money market funds

$

174

$

 —

$

 —

$

174

Total financial assets

$

174

$

$

$

174

Convertible debt subject to credit risk analysis

$

$

8,923

$

$

8,923

Total financial liabilities

$

$

8,923

$

$

8,923

  ​ ​ ​

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