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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Cash flows from operating activities:    
Net Income (Loss) Attributable to Parent $ 5,852 $ 3,864
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 3,410 3,125
Loss on disposal of property, plant and equipment 80 0
Share-based compensation 731 501
Losses on foreign currency remeasurement 81 240
Change in operating assets and liabilities:    
Accounts receivable (8,240) (17,031)
Inventories (1,139) (3,270)
Prepaid and other assets (450) 1,502
Accounts payable 4,209 10,407
Accrued and other liabilities 324 (948)
Post-retirement benefits liability (211) (47)
Net cash provided by (used in) operating activities 4,647 (1,657)
Cash flows from investing activities:    
Purchase of property, plant and equipment (2,127) (2,482)
Net cash used in investing activities (2,127) (2,482)
Cash flows from financing activities:    
Gross repayments on revolving line of credit (35,369) (37,444)
Gross borrowings on revolving line of credit 33,505 37,855
Payments related to the purchase of treasury stock (23) 0
Payment of principal on term loans (324) (1,092)
Net cash used in financing activities (2,211) (681)
Net change in cash and cash equivalents 309 (4,820)
Cash and cash equivalents at beginning of period 4,183 6,146
Cash and cash equivalents at end of period 4,492 1,326
Cash paid for:    
Interest 345 420
Income taxes 1,931 2,198
Non-cash investing activities:    
Fixed asset purchases in accounts payable $ 262 $ 513