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v3.26.1

Segment Information - Schedule of Financial Performance through Reportable Segments (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 29, 2026 | Mar. 30, 2025 | Dec. 31, 2025 | Dec. 28, 2025 | Dec. 29, 2024
Residential Solar Installation [Member] |  |  |  |  |  |  |  |  |
Segment Reporting [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | $ 31,541,000 |  | $ 36,504,000 |  |  | $ 160,987,000 |  | $ 67,460,000 |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 18,011,000 | [1] | 22,615,000 | [2] |  | 88,400,000 | [3] | 45,266,000 |
Sales commissions | 6,553,000 |  | 6,667,000 |  |  | 26,298,000 |  | 23,388,000 |
Sales and marketing | 3,539,000 |  | 8,522,000 |  |  | 25,154,000 |  | 6,827,000 |
General and administrative | 15,833,000 | [1] | 10,440,000 | [2] |  | 58,597,000 | [3] | 57,641,000 | [4]
Segment operating income (loss) | (12,395,000) |  | (11,740,000) |  |  | (37,462,000) |  | (65,662,000) |
New Homes Business [Member] |  |  |  |  |  |  |  |  |
Segment Reporting [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 14,625,000 |  | 41,909,000 |  |  | 124,595,000 |  | 41,282,000 |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 9,961,000 | [1] | 28,422,000 | [2] |  | 82,288,000 | [3] | 23,974,000 |
Sales commissions | 1,166,000 |  | 1,017,000 |  |  | 5,032,000 |  | 1,202,000 |
Sales and marketing | 876,000 |  |  |  |  | 3,253,000 |  |  |
General and administrative | 11,545,000 | [1] | 4,456,000 | [2] |  | 29,648,000 | [3] | 18,953,000 | [4]
Segment operating income (loss) | (8,923,000) |  | 8,014,000 |  |  | 4,374,000 |  | (2,847,000) |
Dealer [Member] |  |  |  |  |  |  |  |  |
Segment Reporting [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 26,627,000 |  |  |  |  | 14,418,000 |  |  |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 134,000 | [1] |  | [2] |  | 100,000 | [3] |  |
Sales commissions | 20,845,000 |  |  |  |  | 5,679,000 |  |  |
Sales and marketing | 578,000 |  |  |  |  | 623,000 |  |  |
General and administrative | 2,947,000 | [1] |  | [2] |  | 1,859,000 | [3] |  |
Segment operating income (loss) | 2,123,000 |  |  |  |  | 6,157,000 |  |  |
Reportable Subsegments [Member] |  |  |  |  |  |  |  |  |
Segment Reporting [Line Items] |  |  |  |  |  |  |  |  |
Operating revenues | 72,793,000 |  | 78,413,000 |  |  | 300,000,000 |  | 108,742,000 |
Gain on troubled debt restructuring |  |  |  |  |  |  |  | 22,337,000 |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 600 |  |  |  | $ 2,200,000 |  |  |  |
General and administrative | 3,000 |  |  |  | 7,000,000 |  |  |  |
Total | 3,600 |  |  |  | 9,200,000 |  |  |  |
Segment operating income (loss) | (19,195,000) |  | (3,726,000) |  |  | (26,931,000) |  | (68,509,000) |
Unallocated amounts: |  |  |  |  |  |  |  |  |
Interest expense | (6,924,000) |  | (6,041,000) |  |  | (25,095,000) |  | (16,223,000) |
Interest income |  |  | 3,000 |  |  | 3,000 |  | 19,000 |
Other non-operating income, net | 30,761,000 |  | 14,576,000 |  |  | 9,347,000 |  | 7,932,000 |
Loss from continuing operations before taxes | 4,642,000 |  | 4,812,000 |  |  | $ (42,676,000) |  | $ (54,444,000) |
Residential Solar Installation [Member] |  |  |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 500 |  | 400 |  | 2,000,000 |  |  |  |
General and administrative | 1,800 |  | 1,000 |  | 5,300,000 |  |  |  |
Total | 2,300 |  | 1,400 |  | 7,300,000 |  |  |  |
New Homes Business [Member] |  |  |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues |  |  |  |  | 100,000 |  |  |  |
General and administrative | 300 |  | 200 |  | 800,000 |  |  |  |
Total | 300 |  | 200 |  | 900,000 |  |  |  |
Dealer [Member] |  |  |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |
Cost of revenues | 100 |  |  |  | 100,000 |  |  |  |
General and administrative | 900 |  |  |  | 900,000 |  |  |  |
Total | $ 1,000 |  |  |  | $ 1,000,000 |  |  |  |
[1] | Depreciation and amortization expense in the thirteen week period ended March 29, 2026 was as follows (in millions):
[2] | Depreciation and amortization expense in the thirteen week period ended March 30, 2025 was as follows (in millions):
[3] | For the year ended December 28, 2025, depreciation and amortization expense was as follows
[4] | For the year ended December 29, 2024, depreciation and amortization expense was $2.6 million and $0.1 million for the Residential Solar Installation and New Homes Business reportable segments, respectively.

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