CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (8,649)	$ (61,363)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation and amortization	4,668	5,692
Provision for credit losses	0	1
Deferred income taxes	(3)	701
Shares issued for employee benefit plan	301	352
Employee and director stock-based compensation	1,904	2,540
Impairment of goodwill	0	49,075
Impairment of long-lived assets	0	49
Changes in operating assets and liabilities:
Accounts receivable and contract assets	11,007	7,723
Inventories	4,132	18,056
Prepaid expenses and other assets	(3,051)	1,408
Accounts payable and accrued liabilities	(12,517)	(26,051)
Accrued income taxes	(567)	(208)
Net cash provided by (used for) operating activities	(2,775)	(2,025)
Cash flows from investing activities:
Acquisitions of property, plant and equipment	(1,347)	(3,261)
Acquisitions of intangible assets	(1,019)	(1,570)
Net cash provided by (used for) investing activities	(2,366)	(4,831)
Cash flows from financing activities:
Borrowings under line of credit	24,000	14,000
Repayments on line of credit	(33,000)	(17,000)
Treasury stock purchased	(1,230)	(812)
Net cash provided by (used for) financing activities	(10,230)	(3,812)
Effect of foreign currency exchange rates on cash and cash equivalents	(466)	834
Net increase (decrease) in cash and cash equivalents	(15,837)	(9,834)
Cash and cash equivalents at beginning of period	42,751	66,740
Cash and cash equivalents at end of period	26,914	56,906
Supplemental cash flow information:
Income taxes paid	777	2,065
Interest paid	$ 1,368	$ 1,413