Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,171)	$ (1,586)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Deferred income taxes	(1,233)	(574)
Depreciation	2,505	1,938
Amortization	1,365	1,436
Equity in income of nonconsolidated investments	(17)	(87)
(Gain) loss on sales and disposals of property, plant, and equipment	(14)	23
Stock-based compensation	884	258
Loss on asset divestitures	2,033	0
Change in operating assets and liabilities:
Accounts receivable	26,239	(4,556)
Contract assets	(860)	1,116
Inventories	(15,564)	(4,781)
Other current assets	(791)	(4,648)
Other noncurrent assets	(1,439)	818
Accounts payable	4,921	4,680
Deferred revenue	(707)	5,907
Accrued payroll and employee benefits	(6,386)	(4,181)
Other current liabilities	(2,981)	(2,377)
Other long-term liabilities	1,148	(1,022)
Net cash provided by (used in) operating activities	6,932	(7,636)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of property, plant, and equipment	16	30
Capital expenditures on property, plant, and equipment	(699)	(1,764)
Proceeds from business dispositions	5,344	1,195
Net cash provided by (used in) investing activities	4,661	(539)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(55,133)	(30,892)
Proceeds from debt	43,086	35,301
Treasury stock acquisitions	(309)	(397)
Investment of noncontrolling interest	334	0
Net cash (used in) provided by financing activities	(12,022)	4,012
Effect of exchange rate changes on cash and cash equivalents	186	30
Net decrease in cash and cash equivalents	(243)	(4,133)
Cash and cash equivalents at beginning of period	2,882	10,372
Cash and cash equivalents at end of period	2,639	6,239
Supplemental disclosure of cash flow information:
Interest paid	1,425	369
Income taxes received	$ (1,564)	$ (44)