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SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2025 USD ($) item | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Goodwill and Other Intangibles |  |  |
Goodwill | $ 3,308,000 | $ 3,308,000 |
Impairment of goodwill or trade names | 0 | 0 | $ 0
Selling, general and administrative expenses |  |  |
Product Information |  |  |
Research and development costs | $ 1,500,000 | $ 762,000 | $ 757,000
Accounts Receivable | Customer Concentration Risk | Domestic |  |  |
Product Information |  |  |
Percentage of domestic shipments made pursuant to floor plan financing | 69.00% |  |
Supplier Concentration Risk |  |  |
Product Information |  |  |
Number of suppliers | item | 3 |  |
Number of types of engines | item | 3 |  |

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