v3.25.2
Segments, Geographical Information, Concentrations and Significant Customers - Segment information of revenue, expenses and net income (loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Revenue $ 1,801 $ 3,086 $ 3,273 $ 6,138
Stock-based compensation 3,554 3,287 7,728 6,278
Interest expense   969   2,076
Net income (loss) (39,654) (12,421) 2,965 (33,194)
Single reportable segment        
Segment Reporting Information [Line Items]        
Revenue 1,801 3,086 3,273 6,138
Salaries and employee related costs 7,930 6,721 16,862 13,458
Stock-based compensation 3,554 3,287 7,728 6,278
Rent and facilities 1,495 2,020 2,834 3,902
Professional services and legal fees 2,339 1,625 5,252 3,312
Technology & IT costs 1,225 1,062 2,548 2,109
Direct and indirect materials 570 609 1,263 1,015
Depreciation and amortization expense 1,894 1,547 3,723 3,334
Interest expense   969   2,076
Other segment items 22,448 (2,333) (39,902) 3,848
Net income (loss) $ (39,654) $ (12,421) $ 2,965 $ (33,194)
Other Segment Item, Description Three Months Ended June 30, Three Months Ended June 30, Three Months Ended June 30, Three Months Ended June 30,