v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Operating activities:    
Net loss $ (630,780) $ (7,223)
Net income from discontinued operations, net of taxes (11,081) (1,527)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense related to employee and director stock awards 29 148
Non-cash loss on extinguishment of Secured Convertible Note 0 13
Non-cash expense incurred to obtain consent of Secured Convertible Note holders 0 368
Non-cash loss (gain) on changes in fair value of warrant liability 509,940 (114)
Non-cash loss on fair value of warrant liability in excess of proceeds at issuance 123,185 (0)
Non-cash loss on changes in fair value of embedded derivative liability 0 18
Non-cash loss on modification of warrants 0 69
Non-cash right-of-use amortization 140 341
Impairment of long-lived assets 854 0
Amortization of debt discounts on convertible notes 248 873
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (445) (65)
Other assets (85) 28
Accounts payable and accrued liabilities (37) (57)
Operating lease liabilities (398) (369)
Net cash used in operating activities, continuing operations (8,430) (7,497)
Financing activities:    
Proceeds from Warrants Exercise 852 247
Proceeds from issuance of October 2025 pre-funded warrants 5,946 0
Payment on Bridge Note (500) 0
Payments on Secured Convertible Notes 0 (1,991)
Payments on warrants purchase (2,001) 0
Dividend paid (4,817) 0
Cash debt issuance cost 0 (115)
Net cash provided by financing activities, continuing operations 4,615 1,499
Net decrease in cash, cash equivalents, and restricted cash, continuing operations (3,815) (5,998)
Net increase in cash and cash equivalents, discontinued operations 11,133 3,299
Net decrease in cash, cash equivalents and restricted cash, consolidated 7,318 (2,699)
Cash, cash equivalents and restricted cash, beginning of year 907 3,606
Cash, cash equivalents and restricted cash of continuing operations, end of year 8,225 907
Supplemental disclosure of cash flow information:    
Interest paid in continuing operations 8 130
Supplemental disclosure of non-cash information:    
Conversions of preferred stock to common stock 5,835 1,944
Deemed Capital Contribution pursuant to Series F Agreements 434 0
Conversion of Unsecured Convertible Notes to common stock 246 0
Down round feature adjustments related to common stock warrants 0 1,005
Down round feature adjustments related to preferred stock 0 380
Embedded derivatives, amount reclassified to stockholders' equity 0 242
Issuance of derivative liability in conjunction with Unsecured Convertible Notes 0 224
Bridge Loan [Member]    
Financing activities:    
Proceeds from Bridge Loan 0 500
Underwritten Registered Direct Offering [Member]    
Financing activities:    
Proceeds from issuance of common stock and pre-funded warrants the 2024 Public Offering, net of issuance costs 0 2,858
Warrants and Pre-funded Warrants [Member]    
Financing activities:    
Proceeds from Warrants Exercise 852 247
Warrant Liability [Member]    
Supplemental disclosure of non-cash information:    
Embedded derivatives, amount reclassified to stockholders' equity 0 312
Series F Preferred Stock [Member]    
Financing activities:    
Cash payment pursuant to warrant exchange (525) 0
Payment on redemption of Series F Preferred Stock (175) 0
Supplemental disclosure of non-cash information:    
Issuance of Preferred Stock 1,484 0
Deemed Capital Contribution pursuant to Series F Agreements 434  
Series D Preferred Stock [Member]    
Financing activities:    
Net proceeds from issuance of Preferred Stock 3,786 0
Supplemental disclosure of non-cash information:    
Issuance of Preferred Stock 3,786  
Series E Preferred Stock [Member]    
Financing activities:    
Net proceeds from issuance of Preferred Stock 2,049 $ 0
Supplemental disclosure of non-cash information:    
Issuance of Preferred Stock $ 2,049