CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash	$ 2,803	$ 2,831
Related party receivable	143	62
Prepaid expenses and other current assets	105	30
Total current assets	3,051	2,923
Total assets	3,051	2,923
Current liabilities:
Accounts payable	219	202
Other accrued liabilities	44	281
Total current liabilities	263	483
Total liabilities	263	483
Stockholders’ equity:
Preferred stock, at amounts paid in, $0.001 par value per share; 5,000,000 shares authorized, 890,345 and 950,000 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively.	1	1
Common stock, at amounts paid in, $0.001 par value per share; 225,000,000 shares authorized, 1,330,234 and 914,234 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively.	1	1
Additional paid-in capital	400,574	398,974
Accumulated deficit	(397,788)	(396,536)
Total stockholders’ equity	2,788	2,440
Total liabilities and stockholders’ equity	$ 3,051	$ 2,923

CONDENSED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands

Jun. 30, 2025

Dec. 31, 2024

Current assets:

Cash

$ 2,803

$ 2,831

Related party receivable

143

Prepaid expenses and other current assets

105

Total current assets

3,051

2,923

Total assets

3,051

2,923

Current liabilities:

Accounts payable

219

202

Other accrued liabilities

281

Total current liabilities

263

483

Total liabilities

263

483

Stockholders’ equity:

Preferred stock, at amounts paid in, $0.001 par value per share; 5,000,000 shares authorized, 890,345 and 950,000 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively.

Common stock, at amounts paid in, $0.001 par value per share; 225,000,000 shares authorized, 1,330,234 and 914,234 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively.

Additional paid-in capital

400,574

398,974

Accumulated deficit

(397,788)

(396,536)

Total stockholders’ equity

2,788

2,440

Total liabilities and stockholders’ equity

$ 3,051

$ 2,923

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CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (1,252)	$ (3,153)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		5
Other		(2)
Changes in operating assets and liabilities:
Notes receivable		1,000
Receivables		8
Prepaid expenses and other current assets	(75)	(21)
Accounts payable	16	8
Deferred grant revenue		(12)
Other accrued liabilities	(236)	(514)
Net cash used in operating activities	(1,547)	(2,681)
Cash flows from financing activities:
Payments on behalf of related party	(81)
Proceeds from issuance of preferred stock	1,600
Net cash provided by financing activities	1,519
Net decrease in cash	(28)	(2,681)
Cash at beginning of period	2,831	6,773
Cash at end of period	2,803	4,092
Supplemental cash flow information:
Interest paid		13
Supplemental non-cash flow information:
Note payable to related party converted to common stock		500
Issuance of common stock upon conversion of preferred stock	2,196
Accrued interest net of tax converted to common stock		5
Disposal of fully depreciated property and equipment		$ 711

CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands

6 Months Ended

Jun. 30, 2025

Jun. 30, 2024

Cash flows from operating activities:

Net loss

$ (1,252)

$ (3,153)

Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization

Other

(2)