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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2026
Apr. 01, 2025
Concentration Risk [Line Items]        
General and administrative $ (7,312) $ (6,909)    
Other income (expense), net 39 (149)    
Net loss $ (6,147) $ (9,324)    
Net loss per share, basic (USD per share) $ (0.10) $ (0.17)    
Net loss per share, diluted (USD per share) $ (0.10) $ (0.17)    
Effective income tax rate (in percent) 0.00% 0.00%    
Revision of Prior Period, Reclassification, Adjustment        
Concentration Risk [Line Items]        
General and administrative   $ 100    
Other income (expense), net   $ 100    
Change in Accounting Method Accounted for as Change in Estimate        
Concentration Risk [Line Items]        
Depreciation $ 900      
Net loss $ 900      
Change in Accounting Method Accounted for as Change in Estimate | Forecast        
Concentration Risk [Line Items]        
Depreciation     $ 2,800  
Net loss     $ 2,800  
Data center equipment        
Concentration Risk [Line Items]        
Useful life       6 years
Machinery and Equipment        
Concentration Risk [Line Items]        
Useful life       6 years
Machinery and Equipment | Change in Accounting Method Accounted for as Change in Estimate        
Concentration Risk [Line Items]        
Net loss per share, basic (USD per share) $ 0.02      
Net loss per share, diluted (USD per share) $ 0.02      
Minimum | Data center equipment        
Concentration Risk [Line Items]        
Useful life   3 years    
Minimum | Machinery and Equipment        
Concentration Risk [Line Items]        
Useful life   3 years    
Maximum | Data center equipment        
Concentration Risk [Line Items]        
Useful life   5 years    
Maximum | Machinery and Equipment        
Concentration Risk [Line Items]        
Useful life   5 years