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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 4,339	$ 3,418
Adjustments to reconcile net earnings to net cash provided by operating activities -
Depreciation	1,905	1,995
Amortization	171	186
Bad debt expense	160	291
Deferred income taxes	841	1,434
Net foreign currency transaction losses (gains)	105	(15)
Stock-based compensation	805	779
Pension contribution	(3,000)	(4,000)
Pension expense	426	497
Increase in cash surrender value of life insurance	(115)	(115)
Changes in operating assets and liabilities -
Accounts receivable	11,464	13,179
Inventories	3,714	9,041
Prepaid expenses and other assets	2,527	2,831
Accounts payable	(3,008)	(6,927)
Accrued liabilities and other	(5,213)	241
Accrued income taxes	(1,111)	(2,092)
Net cash provided by operating activities	14,010	20,743
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities	(5,961)	(7,433)
Proceeds from maturities of marketable securities	3,375	3,015
Life insurance premiums paid	(155)	(155)
Purchases of property, plant and equipment	(491)	(772)
Net cash used for investing activities	(3,232)	(5,345)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends paid	(6,836)	(6,643)
Cash dividends paid to noncontrolling interest of subsidiary	(88)	(204)
Shares purchased and retired	(6,589)	(6,843)
Net proceeds from stock options exercised	4,048	438
Taxes paid related to the net share settlement of equity awards	(611)	0
Proceeds from bank borrowings	0	6,816
Repayments of bank borrowings	0	(11,084)
Net cash used for financing activities	(10,076)	(17,520)
Effect of exchange rate changes on cash and cash equivalents	(157)	266
Net increase (decrease) in cash and cash equivalents	545	(1,856)
CASH AND CASH EQUIVALENTS at beginning of period	23,453	13,710
CASH AND CASH EQUIVALENTS at end of period	23,998	11,854
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid, net of refunds	1,927	2,805
Interest paid	$ 0	$ 7

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Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits.

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The cash inflow from bank borrowing during the year.

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Amount of cash inflow from the sale or maturity of long-term held-to-maturity securities.

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Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow to settle a bank borrowing during the year.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Aggregate amount of life insurance premium paid.

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