v3.25.2
Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Current Assets:    
Cash and cash equivalents $ 12,657 $ 6,839
Other receivables 217 402
Prepaid expenses and other current assets 172 200
Property, plant and equipment, held for sale 0 1,165
Total current assets 13,046 8,606
Property, plant and equipment, net 0 371
Other assets 0 250
Operating lease right-of-use asset, net 0 81
Total Assets 13,046 9,308
Current Liabilities:    
Accounts payable and accrued expenses 7,500 9,486
Payables and accrued expenses - related party $ 2,504 $ 2,667
Other Liability, Current, Related Party [Extensible Enumeration] us-gaap:RelatedPartyMember us-gaap:RelatedPartyMember
Operating lease liabilities - short-term $ 0 $ 456
Total current liabilities 10,004 12,609
Deferred income 150 150
Operating lease liabilities - long-term 0 422
Total Liabilities 10,154 13,181
Commitments and Contingencies (Note 10)
Stockholders' Equity (Deficit)    
Preferred stock ($0.0001 par value), 2,000,000 shares authorized, 250,000 shares of Class A preferred stock issued and outstanding as of June 30, 2025 and December 31, 2024, respectively 0 0
Common stock issuable, zero and 69,046 shares as of June 30, 2025 and December 31, 2024, respectively 0 611
Additional paid-in capital 400,530 392,234
Accumulated deficit (397,638) (396,723)
Total Stockholders' Equity (Deficit) 2,892 (3,873)
Total Liabilities and Stockholders' Equity (Deficit) 13,046 9,308
Class A common shares    
Stockholders' Equity (Deficit)    
Common stock ($0.0001 par value), 200,000,000 shares authorized as of June 30, 2025 and December 31, 2024, respectively 0 0
Common shares    
Stockholders' Equity (Deficit)    
Common stock ($0.0001 par value), 200,000,000 shares authorized as of June 30, 2025 and December 31, 2024, respectively $ 0 $ 5

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