Organization, basis of presentation, and summary of significant accounting policies (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Aug. 25, 2024 |
|
| Accounting Policies [Abstract] | ||
| Cash paid for income taxes, net | $ 17 | $ 0 |
| Cash paid for interest | 265 | 628 |
| Non-cash investing and financing activities: | ||
| Purchases of property, plant and equipment in accounts payable | 420 | 5,906 |
| Capitalization of non-cash interest to property, plant and equipment | 572 | 711 |
| Dividends paid-in-kind on Redeemable Convertible Preferred Stock | $ 874 | $ 806 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in payment-in-kind (PIK). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|