Summary of Significant Accounting Policies (Liquidity) - (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Aug. 04, 2026 |
Jun. 27, 2026 |
Mar. 28, 2026 |
Jun. 28, 2025 |
Mar. 29, 2025 |
Jun. 27, 2026 |
Jun. 28, 2025 |
Dec. 27, 2025 |
Dec. 28, 2024 |
|
| Concentration Risk [Line Items] | |||||||||
| Net Income (Loss) | $ 1,403 | $ 8,645 | $ (6,078) | $ (9,487) | $ 10,048 | $ (15,565) | |||
| Working capital deficit | 22,100 | ||||||||
| Total assets | 73,313 | 73,313 | $ 49,477 | ||||||
| Cash, cash equivalents and restricted cash at end of period | 40,655 | 29,038 | 40,655 | 29,038 | |||||
| Total stockholders' equity (deficit) | $ 23,183 | $ 10,444 | $ (6,958) | $ (13,672) | $ 23,183 | $ (6,958) | $ (5,203) | $ (6,048) | |
| Subsequent event | Patent Cross License Agreement | |||||||||
| Concentration Risk [Line Items] | |||||||||
| Upfront license fee, net of withholding tax | $ 200,000 | ||||||||
| X | ||||||||||
- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from working capital. No definition available.
|
| X | ||||||||||
- Definition The amount of upfront fee net of withholding taxes to be received under license agreement. No definition available.
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|