Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 32,153	$ 37,025	$ 19,658
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	3,755	13,971	7,756
Depreciation and amortization	14,953	15,784	17,161
Assets write-down	1,110	1,143	0
Inventory write-off and obsolescence	2,933	1,719	(142)
Changes in value of life insurance policies	(2,821)	(4,963)	5,069
Deferred income taxes	674	(10,811)	433
Gain on insurance recovery on property, plant and equipment	(4,398)	0	0
Realization of pension obligation	(33)	(892)	451
Net provision for credit losses	1,203	179	(6)
Other non-cash items	(1,020)	406	(405)
Changes in assets and liabilities:
Accounts receivable	(3,612)	(2,618)	(10,078)
Inventories	9,367	(12,976)	(14,860)
Prepaid expenses and other current assets	(5,674)	1,952	(76)
Other assets	(289)	1,509	(1,369)
Accounts payable	519	(12,878)	15,374
Accrued expenses	2,531	(375)	(1,302)
Unearned revenues	4,577	(1,187)	(1,823)
Other liabilities	460	(2,199)	(10,885)
Net cash provided by operating activities	56,388	24,789	24,956
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(13,028)	(10,579)	(10,216)
Patents and other intangibles	20	67	(29)
Proceeds from sale of assets	1,736	485	1,889
Proceeds from sale of business, net of cash sold	0	0	240
Proceeds from insurance recovery	2,102	0	583
Net proceeds on life insurance policies	2,776	3,375	3,677
Net cash used in investing activities	(6,394)	(6,652)	(3,856)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of long-term debt	(82,000)	(211,000)	(131,000)
Proceeds from long-term debt	44,000	202,000	116,000
Debt issuance costs	(19)	(1,253)	(2,206)
Equity related transaction costs	(756)	(4,068)	(411)
Dividends paid	(1,876)	(1,868)	(1,853)
Repurchase of common stock	(5,306)	(2,202)	(3,903)
Other financing activities	0	(54)	(2)
Net cash used in financing activities	(45,957)	(18,445)	(23,375)
NET CHANGE IN CASH AND CASH EQUIVALENTS	4,037	(308)	(2,275)
CASH AND CASH EQUIVALENTS, beginning of year	15,120	15,428	17,703
CASH AND CASH EQUIVALENTS, end of year	19,157	15,120	15,428
Supplemental disclosures of cash flow information:
Cash payments for interest	10,859	11,198	9,300
Cash payments for income taxes	17,583	14,535	14,078
Non-cash investing and financing activities:
Capital expenditures incurred but not paid for as of the end of the year	1,670	963	1,157
Equity related transaction costs incurred but not paid for as of the end of the year	$ 0	$ 756	$ 0