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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net earnings (loss) $ 10,214 $ (13,590)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities -    
Depreciation 1,876 2,256
Amortization 234 234
Bad debt expense 52 5,102
Deferred income taxes (144) 1,854
Net foreign currency transaction (gains) losses (121) 37
Share-based compensation expense 1,210 1,063
Pension expense   345
Impairment of long-lived assets   3,055
Increase in cash surrender value of life insurance (339) (250)
Changes in operating assets and liabilities - net of effects from acquisition    
Accounts receivable (8,648) 6,908
Inventories 6,826 10,528
Prepaid expenses and other assets 598 2,963
Accounts payable (1,368) (6,187)
Accrued liabilities and other (745) (3,494)
Accrued income taxes 39 (3,985)
Net cash provided by operating activities 9,684 6,839
CASH FLOWS FROM INVESTING ACTIVITIES:    
Acquistion of business (2,612) 0
Proceeds from maturities of marketable securities 3,615 6,045
Purchases of investment securities (35,000) 0
Proceeds from sale of investment securities 19,838 0
Life insurance premiums paid (111) (155)
Purchases of property, plant and equipment (673) (3,151)
Net cash (used for) provided by investing activities (14,943) 2,739
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (6,904) (9,361)
Shares purchased and retired (1,535) (1,304)
Proceeds from bank borrowings   32,855
Repayments of bank borrowings   (34,724)
Net cash used for financing activities (8,439) (12,534)
Effect of exchange rate changes on cash and cash equivalents 74 15
Net decrease in cash and cash equivalents (13,624) (2,941)
CASH AND CASH EQUIVALENTS at beginning of period 32,476 9,799
CASH AND CASH EQUIVALENTS at end of period 18,852 6,858
SUPPLEMENTAL CASH FLOW INFORMATION:    
Income taxes paid, net of refunds 3,693 638
Interest paid $ 81 $ 52