Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net earnings	$ 15,874	$ 14,572
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	3,684	3,236
Stock-based compensation	804	902
Amortization of deferred financing costs	26	33
Deferred tax benefit	(1,676)	(1,137)
Net unrealized (gains)/losses on foreign currency revaluation	(647)	199
Other, net	(71)	465
Changes in operating assets and liabilities:
Accounts receivable	725	(1,316)
Unbilled receivables	3,644	3,175
Inventories	5,688	7,652
Accounts payable	(7,575)	(4,831)
Accrued expenses	(16,440)	(6,417)
Accrued restructuring costs	(1,254)	2,590
Income taxes payable	4,971	3,931
Other operating assets/liabilities, net	(1,603)	(6,219)
Net cash provided by operating activities	6,150	16,835
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,929)	(3,761)
Purchases of held to maturity and marketable securities	(42,726)	0
Proceeds from held to maturity securities	30,374	0
Payment for equity method investment	0	(9,975)
Investment in related party notes receivable	(492)	0
Proceeds from disposal/sale of property, plant and equipment	192	25
Net cash used in investing activities	(15,581)	(13,711)
Cash flows from financing activities:
Dividends paid to common stockholders	(837)	(829)
Borrowings under revolving credit line	0	5,000
Purchases of common stock	(6,283)	0
Net cash (used in) provided by financing activities	(7,120)	4,171
Effect of exchange rate changes on cash and cash equivalents	(1,500)	279
Net (decrease) increase in cash and cash equivalents	(18,051)	7,574
Cash and cash equivalents - beginning of period	89,371	70,266
Cash and cash equivalents - end of period	71,320	77,840
Supplementary information:
Income taxes, net of refunds received	978	976
Interest payments	981	1,415
ROU assets obtained in exchange for lease obligations	$ 2,951	$ 380