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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net earnings $ 2,115 $ 2,632
Adjustments to reconcile net earnings to net cash provided by operating activities -    
Depreciation 1,001 919
Amortization 97 99
Bad debt expense (income) 133 (142)
Deferred income taxes 10 144
Net foreign currency transaction losses (gains) 1 (149)
Stock-based compensation 369 364
Pension expense 266 767
Increase in cash surrender value of life insurance (135) (135)
Changes in operating assets and liabilities -    
Accounts receivable 2,823 (4,950)
Inventories 14,765 22,313
Prepaid expenses and other assets 3,210 1,715
Accounts payable (7,096) (8,571)
Accrued liabilities and other (1,291) (2,005)
Accrued income taxes 981 528
Net cash provided by operating activities 17,249 13,529
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of marketable securities (250) (1,501)
Proceeds from maturities of marketable securities 1,850 1,475
Purchase of property, plant and equipment (416) (924)
Net cash provided by (used for) investing activities 1,184 (950)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (4,378) (4,272)
Cash dividends paid to noncontrolling interest of subsidiary (204) 0
Shares purchased and retired (2,393) (2,895)
Proceeds from stock options exercised 356 12
Payment of contingent consideration 0 (5,217)
Proceeds from bank borrowings 6,816 31,299
Repayments of bank borrowings (11,084) (33,314)
Income tax benefits from stock-based compensation 15 0
Net cash used for financing activities (10,872) (14,387)
Effect of exchange rate changes on cash and cash equivalents 202 199
Net increase (decrease) in cash and cash equivalents 7,763 (1,609)
CASH AND CASH EQUIVALENTS at beginning of year 13,710 17,926
CASH AND CASH EQUIVALENTS at end of year 21,473 16,317
SUPPLEMENTAL CASH FLOW INFORMATION:    
Income taxes paid, net of refunds 308 693
Interest paid $ 7 $ 73