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Summary of Significant Accounting Policies (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Customer deposits | $ 442,000 |  |  |  | $ 442,000 |  | $ 1,115,000
Recognized revenue | 142,000 |  | $ 897,000 |  | 673,000 | $ 1,296,000 |
Backlog relating to remaining performance obligations | 128,500,000 |  |  |  | 128,500,000 |  |
Contract cost receivable collected |  |  |  |  |  |  | 296,000
Contract costs receivable |  |  |  |  |  |  | $ 296,000
Stock-based compensation expense for employees | 157,000 | $ 435,000 | 12,000 | $ 24,000 | 592,000 | 36,000 |
Director [Member] |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense for employees | $ 39,000 |  | $ 38,000 |  | $ 78,000 | $ 76,000 |

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