Exhibit 99.1

The unaudited pro forma balance sheet has been filed in order to show compliance with the Nasdaq requirement that the Company maintain a minimum stockholders’ equity of $2.5 million for continued listing.

The Company’s independent registered public accounting firm has not conducted an audit or review of, and does not express an opinion or any other form of assurance with respect to, the pro forma balance sheet set forth below. It is possible that the Company or its independent registered public accounting firm may identify items that require the Company to make adjustments to the pro forma balance sheet set forth below.

	June 30, 2025			Proforma Adjustments			Proforma
	(Unaudited) (in thousands)
Assets
Current assets:
Cash	$	2,233		$	1,646		$	3,879
Investments		4,646			—			4,646
Grant receivable		1,021			-1,021			—
Notes receivable		1,314			—			1,314
Current Assets		9,214			625			9,839
Property and equipment, net		289			—			289
Operating lease right-of-use assets		29			—			29
Other assets		45			—			45
Intangible assets, net		401			—			401
Equity-based investments		375			—			375
Total Assets	$	10,350		$	625		$	10,975
Liabilities and Stockholder’s Equity
Current liabilities:
Accounts payable and accrued expenses	$	6,359		$	470		$	6,829
Operating lease liability		30			—			30
Deferred revenues, current		927			—			927
Total current liabilities		7,316			470			7,786
Stockholder’s equity:
Preferred stock, $0.001 par value,		—			—			—
Common stock, $0.001 par value		92			—			92
Treasury stock		(500	)		—			(500	)
Additional paid-in capital		509,171			890			510,061
Accumulated deficit		(505,729	)		(735	)		(506,464	)
Total stockholder’s equity		3,034			155			3,189
Total Liabilities and Stockholder’s Equity	$	10,350		$	625		$	10,975