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SUPPLEMENTAL FINANCIAL STATEMENT DATA (Tables)

6 Months Ended

Jun. 30, 2023

SUPPLEMENTAL FINANCIAL STATEMENT DATA

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

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 30,
​		2023			2022
​	​	(in thousands)
Cash and cash equivalents	​	$	13,649	​	$	8,806
Restricted cash	​		—	​		10,679
Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows	​	$	13,649	​	$	19,485

Schedule of equipment and leasehold improvements

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 30,
​		2023			2022
​	​	(in thousands)
Furniture and fixtures	​	$	4,188	​	$	4,062
Computer hardware and software	​		40,434	​		35,635
Leasehold improvements	​		3,832	​		3,097
Equipment under finance leases	​		5,588	​		5,503
Automobiles, trucks, and field equipment	​		3,135	​		3,134
Subtotal	​		57,177	​		51,431
Accumulated depreciation and amortization	​		(31,683)	​		(28,894)
Equipment and leasehold improvements, net	​	$	25,494	​	$	22,537

Schedule of accrued liabilities

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 30,
​		2023			2022
​	​	(in thousands)
Accrued subcontractor costs	​	$	21,927	​	$	28,374
Accrued bonuses	​	​	6,758	​	​	8,470
Employee withholdings	​		2,795	​		2,571
Compensation and payroll taxes	​		2,690	​		2,340
Rebate and other	​	​	303	​	​	14,643
Accrued accounting and taxes	​		2,481	​		2,712
Total accrued liabilities	​	$	36,954	​	$	59,110

Schedule of changes in the carrying value of goodwill by reporting unit

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​

​

​

​

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​

​

​

December 30,

​

Additional

​

Additions /

​

June 30,

​

2022

Purchase Cost

Adjustments

2023

​

​

(in thousands)

Reporting Unit:

​

​

​

​

​

​

​

​

​

​

​

​

Energy

​

$

129,375

​

$

—

​

$

—

​

$

129,375

Engineering and Consulting

​

​

749

​

​

—

​

​

—

​

​

749

​

​

$

130,124

​

$

—

​

$

—

​

$

130,124

Schedule of gross amounts and accumulated amortization of acquired identifiable intangible assets with finite useful lives

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​

​

​

​

​

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​

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​

​

​

​

​

June 30, 2023

​

December 30, 2022

​

​

​

​

​

​

​

​

Gross

​

Accumulated

​

Gross

​

Accumulated

​

Amortization

​

Amount

Amortization

Amount

Amortization

Period

​

​

(in thousands)

​

(in years)

Finite:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Tradename

​

$

15,911

​

$

11,986

​

$

15,911

​

$

10,990

2.5

​

-

​

6.0

Developed technology

​

​

15,810

​

​

13,332

​

​

15,810

​

​

11,871

​

8.0

Customer relationships

​

​

58,149

​

​

28,315

​

​

58,149

​

​

25,523

​

5.0

​

-

​

8.0

Total intangible assets

​

$

89,870

​

$

53,633

​

$

89,870

​

$

48,384

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​

​

​

​

​

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