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ORGANIZATION AND OPERATIONS OF THE COMPANY (Tables) | 12 Months Ended
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Dec. 27, 2024
ORGANIZATION AND OPERATIONS OF THE COMPANY |
Schedule of contracts by reportable segments and type of contracts | ​
Segment | Contract Type | Revenue Recognition Method
​ | Time-and-materials | Time-and-materials
Energy | Unit-based | Unit-based
​ | Software license | Unit-based
​ | Fixed price | Percentage-of-completion
​ | Time-and-materials | Time-and-materials
Engineering and Consulting | Unit-based | Unit-based
​ | Fixed price | Percentage-of-completion
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 27, | ​ | December 29,
​ | ​ | 2024 |  | 2023
​ | ​ | (in thousands)
Furniture and fixtures | ​ | $ | 4,594 | ​ | $ | 4,379
Computer hardware and software | ​ |  | 51,904 | ​ |  | 44,594
Leasehold improvements | ​ |  | 3,804 | ​ |  | 3,382
Equipment under finance leases | ​ |  | 7,052 | ​ |  | 6,139
Automobiles, trucks, and field equipment | ​ |  | 3,608 | ​ |  | 3,373
Subtotal | ​ |  | 70,962 | ​ |  | 61,867
Accumulated depreciation and amortization | ​ |  | (41,428) | ​ |  | (34,770)
Equipment and leasehold improvements, net | ​ | $ | 29,534 | ​ | $ | 27,097

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