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SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Product Information [Line Items]
Statutory federal income tax rate	21.00%	21.00%	21.00%
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 [Line Items]
Research and development costs	$ 437,000	$ 776,000	$ 751,000
Accounts Receivable | Customer Concentration Risk | Domestic
Product Information [Line Items]
Percentage of domestic shipments made pursuant to floor plan financing	58.00%
Supplier Concentration Risk
Product Information [Line Items]
Number of supplier | item	4
Number of types of engines | item	3

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