XML 77 R66.htm IDEA: XBRL DOCUMENT v3.25.3
Subsequent Events (Details) - Subsequent event
$ / shares in Units, ¥ in Millions, $ in Millions
Oct. 22, 2025
USD ($)
patent
Oct. 15, 2025
USD ($)
Oct. 15, 2025
CNY (¥)
Oct. 14, 2025
USD ($)
Oct. 06, 2025
USD ($)
purchaser
$ / shares
shares
Subsequent Event [Line Items]          
Number of patents sold (in patents) | patent 37        
Proceeds from sale of patents and related rights and materials $ 3.0        
Forecast          
Subsequent Event [Line Items]          
Gain on sale of patents, related rights and materials $ 3.0        
PWSH | Disposed of by sale          
Subsequent Event [Line Items]          
Equity value (as a percentage)   100.00% 100.00%    
Proceeds from sale of business   $ 133.0 ¥ 950    
Affirmative vote percentage (at least)   67.00% 67.00%    
PWSH | Disposed of by sale | Minimum          
Subsequent Event [Line Items]          
Net proceeds from divestiture of business       $ 50.0  
PWSH | Disposed of by sale | Maximum          
Subsequent Event [Line Items]          
Net proceeds from divestiture of business       $ 60.0  
Common Stock Purchase Agreement          
Subsequent Event [Line Items]          
Number of purchasers (in purchasers) | purchaser         2
Shares sold (in shares) | shares         666,667
Share price (in dollars per share) | $ / shares         $ 10.50
Net proceeds from sale of stock         $ 6.5