CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net earnings (loss)	$ 2,339	$ 2,670
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	4,235	4,277
Stock-based compensation	897	817
Loss on disposal of property, plant and equipment	110	0
Impairment of investment	478	0
Gain on sale of investment	0	(119)
Other, net	449	291
Deferred income taxes	(1,021)	(509)
Changes in operating assets and liabilities	(7,258)	9,447
Net Cash Provided by Operating Activities	229	16,874
Cash flows from investing activities:
Purchase of property, plant and equipment	(2,296)	(1,383)
Purchase of marketable securities	(12)	(5,111)
Payment for business acquisition	(2,695)	0
Proceeds from disposal of property, plant and equipment	5	18
Proceeds from sale of marketable securities	0	433
Cash transferred from restricted cash	0	162
Net Cash Used in Investing Activities	(4,998)	(5,881)
Cash flows from financing activities:
Dividends paid to common shareholders	(1,565)	(1,556)
Net Cash Used In Financing Activities	(1,565)	(1,556)
Effect of exchange rate changes on cash	(78)	247
Net (Decrease) Increase in Cash and Cash Equivalents	(6,412)	9,684
Cash and Cash Equivalents - beginning of period	88,241	83,829
Cash and Cash Equivalents - end of period	81,829	93,513
Changes in operating assets and liabilities consist of:
(Increase) decrease in accounts receivable	(4,446)	4,292
(Increase) decrease in inventories	(4,152)	980
Increase in prepaid expenses and other current assets	(1,081)	(2,474)
Increase in other assets	(171)	(4)
Increase in accounts payable	1,257	762
Increase in accrued expenses	135	2,805
Cash payments of accrued restructuring costs	0	(81)
Increase in income taxes payable	1,200	3,167
Changes in operating assets and liabilities	(7,258)	9,447
Cash paid during the period for:
Income taxes, net of refunds received	864	(745)
Interest	0	0
Details of acquisition:
Fair value of identifiable net assets acquired	157	0
Goodwill	2,577	0
Net assets acquired	2,734	0
Fair value of consideration transferred	2,734	0
Deferred consideration	(39)	0
Cash paid for acquisition	$ 2,695	$ 0