Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net earnings	$ 52,689	$ 24,821
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	14,863	16,861
Stock-based compensation	2,382	2,300
Amortization of deferred financing costs	34	1,302
Deferred income taxes	(4,594)	441
Unrealized (gains) losses on foreign currency revaluation	(278)	44
Gain on sale of property, plant and equipment	(1,596)	(6,440)
Other, net	1,195	1,276
Changes in operating assets and liabilities:
Accounts receivable	(20,702)	(12,982)
Unbilled receivables	10,031	(14,140)
Inventories	(36,592)	(34,005)
Other current assets	(1,210)	(2,240)
Other assets	7,000	(1,182)
Accounts payable	1,522	23,961
Accrued expenses	10,933	4,684
Accrued restructuring costs	6,784	(119)
Other liabilities	(4,162)	1,560
Income taxes payable	1,958	(1,510)
Net cash provided by operating activities	40,257	4,632
Cash flows from investing activities:
Purchase of property, plant and equipment	(8,832)	(9,397)
Payment for acquisitions, net of cash acquired	0	(16,811)
Proceeds from disposal/sale of property, plant and equipment	1,833	7,330
Net cash used in investing activities	(6,999)	(18,878)
Cash flows from financing activities:
Dividends paid to common shareholders	(3,413)	(3,379)
Purchase of treasury stock	(349)	0
Deferred financing costs	0	(675)
Borrowings under revolving credit line	0	115,000
Repayments under revolving credit line	(17,500)	(14,500)
Repayments of long-term debt	0	(104,846)
Net cash used in financing activities	(21,262)	(8,400)
Effect of exchange rate changes on cash	(3,486)	(537)
Net increase (decrease) in cash and cash equivalents	8,510	(23,183)
Cash and cash equivalents - beginning of year	61,756	84,939
Cash and cash equivalents - end of year	70,266	61,756
Supplemental cash flow information:
Income taxes, net of refunds received	14,618	2,872
Interest payments	3,371	2,140
Goodwill	25,099	26,651
Cash paid for acquisitions, net of cash acquired	(0)	16,811
RMS and EOS Acquisitions [Member]
Supplemental cash flow information:
Fair value of identifiable net assets acquired	0	18,215
Goodwill	0	2,499
Fair value of net assets acquired	0	20,714
Fair value of consideration transferred	0	20,714
Less: Cash acquired in acquisitions	$ 0	$ (3,903)