CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net loss	$ (18,599)	$ (24,029)	$ (98,238)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation and amortization	14,188	18,058	22,927
Provision for credit losses	454	1,081	70
Gain on sale of property, plant, and equipment	(312)	0	0
Deferred income taxes	866	(256)	(1,149)
Shares issued for employee benefit plan	431	1,063	1,293
Employee and director stock-based compensation	5,098	6,700	8,809
Impairment of goodwill	0	0	49,075
Impairment of long-lived assets	1,309	333	7,963
Changes in operating assets and liabilities:
Accounts receivable and contract assets	41,536	(12,174)	5,040
Inventories	4,571	6,239	51,458
Prepaid expenses and other assets	5,401	764	2,860
Accounts payable and accrued liabilities	(33,226)	15,733	(21,379)
Accrued income taxes	1,909	1,310	(3,539)
Net cash provided by operating activities	23,626	14,822	25,190
Cash flows from investing activities:
Purchase of Blue Chip Swap securities (Note 16)	(2,544)	0	0
Sale of Blue Chip Swap securities (Note 16)	2,314	0	0
Proceeds on sale of property, plant, and equipment	344	0	0
Acquisitions of property, plant and equipment	(3,875)	(4,572)	(8,116)
Acquisitions of intangible assets	(2,990)	(3,856)	(5,761)
Net cash used for investing activities	(6,751)	(8,428)	(13,877)
Cash flows from financing activities:
Borrowings under lines of credit	103,650	102,193	78,000
Repayments on lines of credit	(117,222)	(120,000)	(111,000)
Treasury stock purchased	(3,086)	(1,957)	(1,779)
Net cash used for financing activities	(16,658)	(19,764)	(34,779)
Effect of foreign currency exchange rate changes on cash and cash equivalents	5,306	(2,598)	(523)
Net increase (decrease) in cash and cash equivalents	5,523	(15,968)	(23,989)
Cash and cash equivalents at beginning of period	26,783	42,751	66,740
Cash and cash equivalents at end of period	32,306	26,783	42,751
Supplemental cash flow information:
Income taxes paid	2,624	3,481	13,176
Interest paid	$ 1,967	$ 4,738	$ 7,015