Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 28, 2025

Summary of Significant Accounting Policies [Abstract]

Schedule of Reconciles Cash, Cash Equivalents, and Restricted Cash

The Company reconciles cash, cash equivalents, and restricted cash reported in its unaudited condensed consolidated balance sheets that aggregate to the beginning and ending balances shown in the Company’s unaudited condensed consolidated statements of cash flows as follows (in thousands):

	As of
	September 28, 2025		December 29, 2024
Cash and cash equivalents	$	5,072	$	13,378
Restricted cash		3,841		3,841
Total cash, cash equivalents and restricted cash	$	8,913	$	17,219

Schedule of Allowance for Credit Losses

The following table summarizes the allowance for credit loss activity as of and for the periods ended (in thousands):

	Thirty-Nine Weeks Ended
	September 28,			September 29,
	2025			2024
Balance at beginning of year	$	(1,701	)	$	(9,846	)
Provision charged to earnings		(4,159	)		(4,204	)
Amounts written off, net of recoveries and other adjustments		1,048			1,041
Balance at end of period	$	(4,812	)	$	(13,009	)

Schedule of Contract Assets and Contract Liabilities Balances

Total contract liabilities balances as of the respective dates are as follows (in thousands):

	As of
	September 28,			December 29,
	2025			2024
Contract liabilities current and noncurrent		(11,426	)		(10,921	)

Schedule of Revenue Recognized

Refer to the table below for the Company’s revenue recognized (in thousands): 

	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	September 28, 2025		September 29, 2024		September 28, 2025		September 29, 2024
Residential Solar Installation
Revenue recognized over time	$	38,579	$	5,536	$	114,097	$	20,068
Total Residential Solar Installation		38,579		5,536		114,097		20,068
New Homes Business
Revenue recognized over time		9,443		—		40,075		—
Revenue recognized at a point in time		17,673		—		61,787		—
Total New Homes Business		27,116		—		101,862		—
Sunder
Revenue recognized at a point in time		4,310		—		4,310		—
Total Sunder		4,310		—		4,310		—
Total revenue	$	70,005	$	5,536	$	220,269	$	20,068
Total revenue recognized over time	$	48,022	$	5,536	$	154,172	$	20,068
Total revenue recognized at a point in time		21,983		—		66,097		—

Schedule of Components of Prepaid Expenses and Other Current Assets

The following table summarizes the components of prepaid expenses and other current assets:

	As of
	September 28,		December 29,
	2025		2024
Deferred costs	$	20,737	$	3,759
Other		93		4,447
Total prepaid expenses and other current assets	$	20,830	$	8,206