v3.26.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
May 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Summary of Significant Accounting Policies [Line Items]              
Common units percentage         99.85%    
Cash and cash equivalents $ 23,300   $ 23,300   $ 23,300    
Accumulated deficit (659,051)   (659,051)   (659,051)   $ (625,280)
Net loss     (3,230) $ (17,345) (33,771) $ (36,482)  
Net cash used in operating activities         3,636 (27,062)  
Net cash used in investing activities         $ (4,335) $ (5,144)  
Economic interest         99.85%    
Asset liabilities percentage         100.00%    
Refunds received $ 5,500 $ 5,500          
Cost of sales     5,300   $ 5,300    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]         Chief Executive Officer [Member]    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description         This is consistent with the organizational structure and internal reporting evaluated regularly by the Company’s Chief Executive Officer who is our chief operating decision maker (“CODM”) when making operational decisions and allocating resources.    
Other non-operating income     $ 200   $ 200    
Purple LLC [Member]              
Summary of Significant Accounting Policies [Line Items]              
Common units percentage         0.15%    
Economic interest         0.15%