INCOME TAXES - Components of deferred taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred income tax assets:
Accounts receivable reserves	$ 251	$ 266
Pension liability	2,100	2,708
Accrued liabilities	2,282	1,582
Operating lease liabilities	3,413	3,566
Carryforward losses	2,729
Valuation allowance	(3,957)
Total Deferred income tax assets	6,818	8,122
Deferred income tax liabilities:
Inventory and related reserves	(4,254)	(5,140)
Cash value of life insurance	(834)	(753)
Property, plant and equipment	(1,513)	(1,484)
Intangible assets	(10,831)	(10,207)
Operating lease right-of-use assets	(2,911)	(3,115)
Prepaid expenses and other assets	(303)	(308)
Deferred tax liabilities, gross	(20,646)	(21,007)
Net deferred income tax liabilities	$ (13,828)	$ (12,885)