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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net Income (Loss) Attributable to Parent $ 6,052 $ 7,542
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 6,219 6,161
Share-based compensation 1,082 804
Losses on foreign currency remeasurement 175 188
Change in operating assets and liabilities:    
Accounts receivable (18,831) (18,184)
Inventories (3,828) (3,679)
Prepaid and other assets 265 1,224
Accounts payable 10,318 9,119
Accrued and other liabilities 1,622 5,557
Post-retirement benefits liability (128) (236)
Net cash provided by operating activities 2,946 8,496
Cash flows from investing activities:    
Purchase of property, plant and equipment (8,623) (5,387)
Net cash used in investing activities (8,623) (5,387)
Cash flows from financing activities:    
Gross repayments on revolving line of credit (73,559) (9,507)
Gross borrowings on revolving line of credit 75,879 9,287
Payments related to the purchase of treasury stock (482) (47)
Payment of deferred loan costs 0 (2)
Payment of principal on term loans (2,193) (1,375)
Net cash used in financing activities (355) (1,644)
Net change in cash and cash equivalents (6,032) 1,465
Cash and cash equivalents at beginning of period 6,146 4,131
Cash and cash equivalents at end of period 114 5,596
Cash paid for:    
Interest 886 935
Income taxes 3,761 3,503
Non-cash investing activities:    
Fixed asset purchases in accounts payable $ 731 $ 99