Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) |
Preferred Stock [Member]
Series A1 Convertible Preferred Stock [Member]
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Preferred Stock [Member]
Series S-1 Convertible Preferred Stock [Member]
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Preferred Stock [Member]
Series B Preferred Stock [Member]
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Preferred Stock [Member]
Series I Convertible Preferred Stock [Member]
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Preferred Stock [Member]
Series M Preferred Stock [Member]
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Preferred Stock [Member]
Series Q Convertible Preferred Stock [Member]
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Preferred Stock [Member]
Series V Convertible Preferred Stock [Member]
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Common Stock [Member] |
Additional Paid-in Capital [Member] |
Treasury Stock, Common [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
Noncontrolling Interest [Member] |
Total |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance, value at Dec. 28, 2024 | $ 8,552,000 | $ 1,321,000 | $ 9,000 | $ 62,207,000 | $ (56,879,000) | $ (2,317,000) | $ 3,925,000 | $ 24,811,000 | |||||||||
| Balance, shares at Dec. 28, 2024 | 23,480 | 100,000 | 34,207 | 17,000 | 3,200 | 925,212 | 5,000 | 15,417,693 | |||||||||
| Common stock issued for consulting agreement | 94,000 | 94,000 | |||||||||||||||
| Common stock issued for consulting agreement, shares | 0 | 15,499 | |||||||||||||||
| Foreign currency adjustment | 3,633,000 | 3,633,000 | |||||||||||||||
| Net loss | (2,861,000) | (425,000) | (3,286,000) | ||||||||||||||
| Common stock issued for warrants exercised | 78,000 | 78,000 | |||||||||||||||
| Common stock issued for warrants exercised, shares | 45,455 | ||||||||||||||||
| Common stock issued for Series V Preferred converted | |||||||||||||||||
| Common stock issued for Series V Preferred converted, shares | (5,000) | 600,000 | |||||||||||||||
| Ending balance, value at Mar. 29, 2025 | $ 8,552,000 | $ 1,321,000 | $ 9,000 | 62,379,000 | (59,740,000) | 1,316,000 | 3,500,000 | 25,330,000 | |||||||||
| Balance, shares at Mar. 29, 2025 | 23,480 | 100,000 | 34,207 | 17,000 | 3,200 | 925,212 | 16,078,647 | ||||||||||
| Beginning balance, value at Dec. 28, 2024 | $ 8,552,000 | $ 1,321,000 | $ 9,000 | 62,207,000 | (56,879,000) | (2,317,000) | 3,925,000 | 24,811,000 | |||||||||
| Balance, shares at Dec. 28, 2024 | 23,480 | 100,000 | 34,207 | 17,000 | 3,200 | 925,212 | 5,000 | 15,417,693 | |||||||||
| Foreign currency adjustment | 5,285,000 | ||||||||||||||||
| Ending balance, value at Jun. 28, 2025 | $ 8,552,000 | $ 821,000 | $ 11,000 | 74,561,000 | (68,855,000) | 2,968,000 | 3,200,000 | 29,251,000 | |||||||||
| Balance, shares at Jun. 28, 2025 | (300) | 100,000 | 34,207 | 17,000 | 3,200 | 732,460 | 20,455,923 | ||||||||||
| Beginning balance, value at Mar. 29, 2025 | $ 8,552,000 | $ 1,321,000 | $ 9,000 | 62,379,000 | (59,740,000) | 1,316,000 | 3,500,000 | 25,330,000 | |||||||||
| Balance, shares at Mar. 29, 2025 | 23,480 | 100,000 | 34,207 | 17,000 | 3,200 | 925,212 | 16,078,647 | ||||||||||
| Common stock issued for Series Q convertible stock converted | $ (500,000) | 500,000 | |||||||||||||||
| Common stock issued for Series Q convertible stock converted, shares | (192,752) | 192,752 | |||||||||||||||
| Foreign currency adjustment | 1,652,000 | 1,652,000 | |||||||||||||||
| Net loss | (9,115,000) | (300,000) | (9,415,000) | ||||||||||||||
| Series A-1 adjustment | |||||||||||||||||
| Series A-1 adjustment, shares | 20,770 | ||||||||||||||||
| Conversion of Series A-1 Preferred | |||||||||||||||||
| Conversion of Series A-1 Preferred, shares | (44,550) | 885,000 | |||||||||||||||
| ALT5 Sigma Corp common stock issued for RSU’s granted | $ 1,000 | 605,000 | 606,000 | ||||||||||||||
| ALT5 Sigma Corp common stock issued for RSU's granted, shares | 800,000 | ||||||||||||||||
| ALT5 Sigma Corp common stock issued for note payable obligations | $ 1,000 | 721,000 | 722,000 | ||||||||||||||
| ALT5 Sigma Corp common stock issued for note payable obligations, shares | 1,182,013 | ||||||||||||||||
| ALT5 Sigma Corp common stock issued for consulting agreement | 1,687,000 | 1,687,000 | |||||||||||||||
| ALT5 Sigma Corp common stock issued for consulting agreement, shares | 300,000 | ||||||||||||||||
| ALT5 Sigma Corp common stock issued for Mswipe acquisition | 5,184,000 | 5,184,000 | |||||||||||||||
| ALT5 Sigma Corp common stock issued for Mswipe acquisition, shares | 1,000,000 | ||||||||||||||||
| ALT5 Sigma Corp common stock warrants for Mswipe acquisition | 1,652,000 | 1,652,000 | |||||||||||||||
| Alyea common stock warrants for Mswipe acquisition | 1,668,000 | 1,668,000 | |||||||||||||||
| ALT5 Sigma Corp common stock issued for professional services | 165,000 | 165,000 | |||||||||||||||
| ALT5 Sigma Corp common stock issued for professional services, shares | 17,511 | ||||||||||||||||
| Ending balance, value at Jun. 28, 2025 | $ 8,552,000 | $ 821,000 | $ 11,000 | 74,561,000 | (68,855,000) | 2,968,000 | 3,200,000 | 29,251,000 | |||||||||
| Balance, shares at Jun. 28, 2025 | (300) | 100,000 | 34,207 | 17,000 | 3,200 | 732,460 | 20,455,923 | ||||||||||
| Beginning balance, value at Dec. 27, 2025 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 126,000 | 1,551,301,000 | (402,710,000) | (6,306,000) | 3,500,000 | 1,155,346,000 | [1] | |||||||
| Balance, shares at Dec. 27, 2025 | 100,000 | 34,207 | 17,000 | 925,212 | 126,474,169 | ||||||||||||
| Common stock issued for Series I convertible stock converted | $ 1,000 | 1,000 | |||||||||||||||
| Common stock issued for Series I convertible stock converted, shares | (57,825) | 57,825 | |||||||||||||||
| Common stock issued for Series Q convertible stock converted | $ 6,000 | 6,000 | |||||||||||||||
| Common stock issued for Series Q convertible stock converted, shares | (4,500) | 450,000 | |||||||||||||||
| Common stock issued for consulting agreement | 12,000 | 12,000 | |||||||||||||||
| Common stock issued for consulting agreement, shares | 6,000 | ||||||||||||||||
| Common stock issued for Debenture converted | $ 2,000 | 1,186,000 | 1,188,000 | ||||||||||||||
| Common stock issued for Debenture converted, shares | 160,562 | ||||||||||||||||
| Common stock issued in lieu of notes payable obligation | 26,000 | 26,000 | |||||||||||||||
| Common stock issued in lieu of notes payable obligation, shares | 17,698 | ||||||||||||||||
| Foreign currency adjustment | 8,077,000 | 8,077,000 | |||||||||||||||
| Prior period adjustment | (9,000) | 9,000 | 88,000 | 88,000 | |||||||||||||
| Net loss | (271,493,000) | (271,493,000) | |||||||||||||||
| Ending balance, value at Mar. 28, 2026 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 126,000 | 1,552,534,000 | (674,115,000) | 1,771,000 | 3,500,000 | 893,251,000 | ||||||||
| Balance, shares at Mar. 28, 2026 | 100,000 | 34,207 | 12,500 | 867,387 | 127,166,254 | ||||||||||||
| Beginning balance, value at Dec. 27, 2025 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 126,000 | 1,551,301,000 | (402,710,000) | (6,306,000) | 3,500,000 | 1,155,346,000 | [1] | |||||||
| Balance, shares at Dec. 27, 2025 | 100,000 | 34,207 | 17,000 | 925,212 | 126,474,169 | ||||||||||||
| Foreign currency adjustment | 5,052,000 | ||||||||||||||||
| Ending balance, value at Jun. 27, 2026 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 139,000 | 1,564,241,000 | (487,000) | (903,672,000) | (1,254,000) | 3,500,000 | 671,902,000 | |||||||
| Balance, shares at Jun. 27, 2026 | 100,000 | 34,207 | 12,500 | 867,387 | 139,836,511 | ||||||||||||
| Beginning balance, value at Mar. 28, 2026 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 126,000 | 1,552,534,000 | (674,115,000) | 1,771,000 | 3,500,000 | 893,251,000 | ||||||||
| Balance, shares at Mar. 28, 2026 | 100,000 | 34,207 | 12,500 | 867,387 | 127,166,254 | ||||||||||||
| Foreign currency adjustment | (3,025,000) | (3,025,000) | |||||||||||||||
| Net loss | (229,557,000) | (229,557,000) | |||||||||||||||
| Treasury share buyback | 487,000 | (487,000) | |||||||||||||||
| ALT5 Sigma Corp common stock issued for Block Street | $ 13,000 | 11,707,000 | 11,720,000 | ||||||||||||||
| ALT5 Sigma Corp common stock issued for Block Street, shares | 12,670,257 | ||||||||||||||||
| Ending balance, value at Jun. 27, 2026 | $ 7,993,000 | $ 717,000 | $ 725,000 | $ 139,000 | $ 1,564,241,000 | $ (487,000) | $ (903,672,000) | $ (1,254,000) | $ 3,500,000 | $ 671,902,000 | |||||||
| Balance, shares at Jun. 27, 2026 | 100,000 | 34,207 | 12,500 | 867,387 | 139,836,511 | ||||||||||||
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| X | ||||||||||
- Definition Adjustments to additional paid in capital common stock warrants for mswipe acquisition. No definition available.
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| X | ||||||||||
- Definition Adjustments to additional paid in capital common stock warrants for mswipe acquisition one. No definition available.
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| X | ||||||||||
- Definition Common stock issued for pofessional services. No definition available.
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| X | ||||||||||
- Definition Common stock issued for pofessional services shares. No definition available.
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| X | ||||||||||
- Definition Common stock issued for series I convertible stock converted. No definition available.
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| X | ||||||||||
- Definition Common stock issued for series i convertible stock converted shares. No definition available.
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| X | ||||||||||
- Definition Common stock issued for series Q convertible stock converted. No definition available.
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| X | ||||||||||
- Definition Common stock issued for series Q convertible stock converted shares. No definition available.
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| X | ||||||||||
- Definition Stock issued during period share conversion of preferred A1 convertible securities. No definition available.
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| X | ||||||||||
- Definition Stock issued during period share conversion of preferred convertible securities. No definition available.
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| X | ||||||||||
- Definition Stock issued during period share warrants exercised. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares common stock issued for consulting agreement. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares common stock issued for mswipe acquisition. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares common stock issued for note payable obligations. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares issued in lieu of notes payable. No definition available.
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| X | ||||||||||
- Definition Stock issued during period shares preferred stock adjustment. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value common stock issued for consulting agreement. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value common stock issued for mswipe acquisition. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value common stock issued for note payable obligations. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value conversion of preferred A1 convertible securities. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value conversion of preferred convertible securities. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value issued in lieu of notes payable. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value preferred stock adjustment. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value treasury share buyback. No definition available.
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| X | ||||||||||
- Definition Stock issued during period value warrants exercised. No definition available.
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. No definition available.
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The gross value of stock issued during the period upon the conversion of convertible securities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Aggregate value of stock related to Restricted Stock Awards issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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