v3.26.1
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenues:    
Research and other $ 1,378 $ 1,382
Revenue, Product and Service [Extensible Enumeration] nwbo:ResearchAndOtherRevenueMember nwbo:ResearchAndOtherRevenueMember
Operating costs and expenses:    
Research and development $ 28,785 $ 34,888
General and administrative 32,507 33,002
Total operating costs and expenses 61,292 67,890
Loss from operations (59,914) (66,508)
Other income (expense):    
Change in fair value of derivative liabilities (151) 364
Change in fair value of share payable (414) 16
Change in fair value of convertible notes 25,633 7,715
Loss from extinguishment of debt (17,397) (14,393)
Loss from issuance of debt (4,676) (835)
Loss from warrant modifications   (822)
Interest expense (8,695) (7,767)
Foreign currency transaction gain (loss) 4,915 (1,548)
Total other expense (785) (17,270)
Loss before income taxes (60,699) (83,778)
Income tax benefit 537 0
Net loss (60,162) (83,778)
Deemed dividend related to warrant modifications (1,315) (1,414)
Net loss attributable to common stockholders (61,477) (85,192)
Other comprehensive income (loss)    
Foreign currency translation adjustment (3,968) 1,507
Total comprehensive loss $ (65,445) $ (83,685)
Net loss per share applicable to common stockholders, Basic (in dollars per share) $ (0.04) $ (0.07)
Net loss per share applicable to common stockholders, Diluted (in dollars per share) $ (0.04) $ (0.07)
Weighted average shares used in computing basic loss per share (in shares) 1,456,663 1,242,237
Weighted average shares used in computing diluted loss per share (in shares) 1,456,663 1,242,237