SUPPLEMENTAL FINANCIAL STATEMENT DATA (Tables)

12 Months Ended

Dec. 30, 2022

SUPPLEMENTAL FINANCIAL STATEMENT DATA

Schedule of reconciliation of cash and cash equivalents, and restricted cash

	December 30,		December 31,		January 1,
	2022		2021		2021
	(in thousands)
Cash and cash equivalents	$	8,806	$	11,221	$	28,405
Restricted cash		10,679		—		—
Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows	$	19,485	$	11,221	$	28,405

Schedule of accounts receivable

	December 30,		December 31,
	2022		2021
	(in thousands)
Billed	$	60,842	$	68,325
Unbilled (1)		74,546		54,817
Contract retentions		8,515		4,472
Other assets (2)		9,583		12,630
		153,486		140,244
Allowance for doubtful accounts		(640)		(1,115)
	$	152,846	$	139,129

(1) Unbilled portion represents contract assets which is presented separately from accounts receivable on the consolidated balance sheets.

(2) Other assets represents a portion of receivables greater than one year from the normal course of business presented separately from current assets on the consolidated balance sheets.

Schedule of the movements in the allowance for doubtful accounts

	Fiscal Year
	2022		2021		2020
	(in thousands)
Balance as of the beginning of the year	$	1,115	$	2,127	$	1,147
(Recovery of) provision for doubtful accounts		243		102		1,329
Write-offs of uncollectible accounts		(718)		(1,224)		(388)
Fair value adjustment		—		110		39
Balance as of the end of the year	$	640	$	1,115	$	2,127

Schedule of equipment and leasehold improvements

Category	Estimated Useful Life
Furniture and fixtures	5	years
Computer hardware	3	years
Computer software	3	years
Automobiles and trucks	3	years
Field equipment	5	years

	December 30,		December 31,
	2022		2021
	(in thousands)
Furniture and fixtures	$	4,062	$	4,070
Computer hardware and software		35,635		26,425
Leasehold improvements		3,097		3,011
Equipment under finance leases		5,503		3,286
Automobiles, trucks, and field equipment		3,134		3,099
Subtotal		51,431		39,891
Accumulated depreciation and amortization		(28,894)		(23,134)
Equipment and leasehold improvements, net	$	22,537	$	16,757

Schedule of accrued liabilities

	December 30,		December 31,
	2022		2021
	(in thousands)
Accrued subcontractor costs	$	28,374	$	19,727
Rebate and other		14,643		1,083
Accrued bonuses		8,470		7,767
Accrued accounting and taxes		2,712		2,194
Employee withholdings		2,571		2,665
Compensation and payroll taxes		2,340		2,244
Total accrued liabilities	$	59,110	$	35,680