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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net Income (Loss) Attributable to Parent $ 3,864 $ 3,456
Adjustments to reconcile net income to net cash used in operating activities:    
Depreciation and amortization 3,125 3,049
Share-based compensation 501 318
Losses on foreign currency remeasurement 240 235
Change in operating assets and liabilities:    
Accounts receivable (17,031) (13,218)
Inventories (3,270) (2,013)
Prepaid and other assets 1,502 903
Accounts payable 10,407 8,283
Accrued and other liabilities (948) (1,385)
Post-retirement benefits liability (47) (140)
Net cash used in operating activities (1,657) (512)
Cash flows from investing activities:    
Purchase of property, plant and equipment (2,482) (2,436)
Net cash used in investing activities (2,482) (2,436)
Cash flows from financing activities:    
Gross repayments on revolving line of credit (37,444) (5,915)
Gross borrowings on revolving line of credit 37,855 8,496
Payments related to the purchase of treasury stock 0 (47)
Payment of deferred loan costs 0 (2)
Payment of principal on term loans (1,092) (688)
Net cash (used in) provided by financing activities (681) 1,844
Net change in cash and cash equivalents (4,820) (1,104)
Cash and cash equivalents at beginning of period 6,146 4,131
Cash and cash equivalents at end of period 1,326 3,027
Cash paid for:    
Interest 420 467
Income taxes 2,198 2,560
Non-cash investing activities:    
Fixed asset purchases in accounts payable $ 513 $ 99