v3.26.3
Income taxes - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 01, 2025
Jun. 30, 2026
Jun. 30, 2025
Income Tax Disclosure [Line Items]      
Deferred tax assets increase in valuation allowance during the period   $ 5,100  
U.S. federal statutory tax rate   21.00% 21.00%
Income tax expense benefit   $ 0  
Percentage of depreciation on qualified assets 100.00%    
Senate Bill No.117 [Member]      
Income Tax Disclosure [Line Items]      
Tax credits eligible for set off   5,000  
Income tax expense benefit   $ 0  
Internal Revenue Service (IRS) [Member] | Minimum [Member]      
Income Tax Disclosure [Line Items]      
Percentage of total owneship control to be maintained by the current shareholders for availing operating loss carry forwards   50.00%  
Period of ownership control for which the shareholders are to sustain their holding for availing operating loss carry forwards   3 years  
Domestic Tax Authority [Member] | Tax Year 2020 [Member]      
Income Tax Disclosure [Line Items]      
Tax year subject to examination   2020  
Domestic Tax Authority [Member] | Tax Year 2021 [Member]      
Income Tax Disclosure [Line Items]      
Tax year subject to examination   2021  
Domestic Tax Authority [Member] | Tax Year 2024 [Member]      
Income Tax Disclosure [Line Items]      
Tax year subject to examination   2024  
State and Local Jurisdiction [Member] | Tax Year 2024 [Member]      
Income Tax Disclosure [Line Items]      
Tax year subject to examination   2024