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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net earnings (loss) $ (7,721) $ 5,482
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities -    
Depreciation 1,493 1,650
Amortization 151 125
Bad debt expense 3,615 79
Deferred income taxes 281 (61)
Net foreign currency transaction losses (3) (18)
Share-based compensation expense 701 731
Pension expense 230 523
Increase in cash surrender value of life insurance (115) (115)
Changes in operating assets and liabilities -    
Accounts receivable 21,200 12,142
Inventories 5,248 (10,065)
Prepaid expenses and other assets 2,770 2,095
Accounts payable (7,347) (7,612)
Accrued liabilities and other (3,802) (3,194)
Accrued income taxes (4,063) (1,558)
Net cash provided by operating activities 12,644 240
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of marketable securities 0 (10,183)
Proceeds from maturities of marketable securities 6,010 1,645
Life insurance premiums paid (155) (155)
Purchases of property, plant and equipment (2,695) (2,414)
Net cash provided by (used for) investing activities 3,160 (11,107)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (7,033) (6,978)
Shares purchased and retired (1,304) (1,828)
Net proceeds from stock options exercised 0 161
Taxes paid related to the net share settlement of equity awards 0 (5)
Proceeds from bank borrowings 11,883 75,474
Repayments of bank borrowings (18,932) (69,313)
Net cash used for financing activities (15,386) (2,489)
Effect of exchange rate changes on cash and cash equivalents (43) 64
Net increase (decrease) in cash and cash equivalents 375 (13,292)
CASH AND CASH EQUIVALENTS at beginning of period 9,799 22,973
CASH AND CASH EQUIVALENTS at end of period 10,174 9,681
SUPPLEMENTAL CASH FLOW INFORMATION:    
Income taxes paid, net of refunds 572 3,112
Interest paid $ 53 $ 66