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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income (loss) $ (31,970) $ 29,440
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 13,004 9,291
Goodwill impairment charge 45,918 0
Intangible assets impairment charge 5,581 0
Inventory write-downs 13,569 2,771
Provision for bad debts - accounts receivable 2,891 2,260
Share-based compensation expense 4,289 4,010
Deferred income tax benefit (12,352) (2,724)
Gain on sale of property, plant and equipment (3,435) 0
Change in fair value of acquisition-related contingent liabilities (450) 2,936
Change in fair value of written put options (1,565) 0
Defined Benefit Plan, Termination Charge 0 7,821
Changes in assets and liabilities, net of acquisition of businesses:    
Accounts receivable 680 (2,575)
Accounts receivable - other 1,347 (4,189)
Contract assets (15,092) 1,212
Inventories (15,898) (24,524)
Prepaid expenses and other current assets 5,225 (7,852)
Other assets 1,858 (2,325)
Accounts payable and other current liabilities (14,614) 1,007
Payment of acquisition-related contingent liabilities (3,346) (4,221)
Long-term pension liability 2,190 1,951
Other long-term liabilities (434) 2,791
Net cash provided by operating activities (2,604) 17,080
CASH FLOWS FROM INVESTING ACTIVITIES    
Additions to property, plant and equipment (11,018) (17,696)
Proceeds from disposals of property, plant and equipment 4,795 0
Acquisition of businesses (11,202) (16,434)
Net cash used in investing activities (17,425) (34,130)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from borrowings of debt 332,143 250,608
Repayment of debt (292,773) (223,025)
Debt issuance costs (869) 0
Payment of cash dividends (8,653) (7,237)
Payment of acquisition-related contingent liabilities (1,416) (1,641)
Proceeds received on exercise of stock options 728 2,703
Tax withholdings on vesting of restricted shares and performance based shares and on exercise of stock rights (314) (584)
Tax benefit from vesting of acquisition-related restricted stock 0 171
Common stock reacquired and retired 0 0
Net cash provided by (used in) financing activities 28,846 20,995
Effect of currency exchange rates on cash (30) (182)
Net increase (decrease) in cash and cash equivalents 8,787 3,763
Cash and cash equivalents balance, beginning of year 8,935 5,172
Cash and cash equivalents balance, end of year 17,722 8,935
Supplemental disclosure of cash flow information:    
Income taxes paid 1,348 14,632
Interest paid $ 4,767 $ 1,298