Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net (loss) income	$ (4,391)	$ 30,563	$ 48,215
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Depreciation and amortization	22,871	22,063	22,383
Stock-based compensation	5,020	4,342	3,989
Excess and obsolescence inventory reserve	(767)	413	1,308
Inventory write-off	17,002
Loss (gain) on disposal of assets	187		(5)
Deferred income taxes	(3,039)	(4,705)	(5,867)
Changes in operating assets and liabilities:
Trade receivables	2,635	(7,281)	5,585
Inventories	21,191	2,911	(16,125)
Trade accounts payable and accrued expenses	(2,746)	3,789	(4,406)
Contract liability with customers		(149)	(882)
Employee compensation and benefits	(3,416)	(5,869)	(6,469)
Product liability	533	(188)	372
Prepaid expenses, other assets and other liabilities	(772)	9,615	(13,026)
Income taxes receivable/payable			(1,171)
Cash provided by operating activities	54,308	55,504	33,901
Investing Activities
Property, plant and equipment additions	(15,846)	(20,821)	(15,796)
Purchase of Anderson Manufacturing assets	(15,010)
Purchases of short-term investments	(108,905)	(138,885)	(192,627)
Proceeds from maturity of short-term investments	130,276	145,917	249,274
Net proceeds from sale of assets			5
Cash (used for) provided by investing activities	(9,485)	(13,789)	40,856
Financing Activities
Dividends paid	(10,122)	(11,829)	(110,789)
Repurchase of common stock	(26,100)	(34,408)	(11,811)
Payment of employee withholding tax related to share-based compensation	(178)	(624)	(2,156)
Cash used for financing activities	(36,400)	(46,861)	(124,756)
Increase (decrease) in cash and cash equivalents	8,423	(5,146)	(49,999)
Cash and cash equivalents at beginning of year	10,028	15,174	65,173
Cash and cash equivalents at end of year	$ 18,451	$ 10,028	$ 15,174