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Debt - Additional Information (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 20, 2024 | Sep. 22, 2023 | Jun. 28, 2024 | Jun. 28, 2024 | Jun. 26, 2024 | Dec. 29, 2023 | Oct. 23, 2023 | Mar. 27, 2023
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Common stock, shares issued |  |  | 33,709,919 | 33,709,919 |  | 25,493,877 | 2.7386 |
Market value of common shares |  |  | $ 12,738 | $ 12,875 |  |  |  |
AECOM [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Common stock shares agreed to issue | 7,745,000 |  |  |  |  |  |  |
Common stock, shares issued | 5,144,622 |  |  |  |  |  |  |
Remaining shares for issuance |  |  |  |  | 2,600,378 |  |  |
Common stock shares issued, held in escrow |  |  |  |  | 1,036,949 |  |  |
Voting interest of common shares issued held in escrow |  |  |  |  | 19.90% |  |  |
Gain loss on other expense (income), net |  |  |  | (1,000) |  |  |  |
Market value of common shares |  |  |  | 13,000 |  |  |  |
Carrying value of contingent consideration liabilities |  |  | 12,000 | 12,000 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  | $ 2,800 |  |  |  |  |  | $ 30,000
Revolving Line of Credit termination date |  | Aug. 31, 2024 |  |  |  |  |  |
Line of credit facility, unused line fee , percentage |  | 0.50% |  |  |  |  |  |
Minimum liquidity requirement |  | $ 7,500 |  |  |  |  |  |
Collateral management fee |  | 0.50% |  |  |  |  |  |
Repayment of outstanding amount |  |  | 17,000 |  |  |  |  |
Outstanding amount |  |  | 15,000 | 15,000 |  | $ 30,000 |  |
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate, percentage |  | 5.50% |  |  |  |  |  |
Revolving Credit Facility [Member] | Base Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate, percentage |  | 1.00% |  |  |  |  |  |
Line of Credit [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity | $ 60,000 |  |  |  |  |  |  |
Debt instrument, interest rate, percentage | 1.00% |  |  |  |  |  |  |
Revolving Line of Credit termination date | May 20, 2029 |  |  |  |  |  |  |
Outstanding amount |  |  | $ 54,000 | $ 54,000 |  |  |  |
Line of Credit [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate, percentage | 3.50% |  |  |  |  |  |  |

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