Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net income	$ 583	$ 2,532
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	950	693
Stock-based compensation	530	441
Amortization of premium on marketable securities		1
Impairment charges	83	68
Provision for losses in accounts receivable	132	10
Provision for inventory write-downs	564	549
Provision for deferred income taxes		140
Noncash restructuring charges	724
Foreign currency transaction (gain) loss	(217)	40
Changes in operating assets and liabilities:
Accounts receivable	(388)	(648)
Inventory	440	(847)
Prepaid expenses and other assets	258	(33)
Accounts payable and other liabilities	(2,561)	514
Net cash provided by operating activities	1,098	3,460
Investing activities
Purchases of property and equipment	(754)	(609)
Payments related to acquisitions	(641)
Receipts related to divestitures	108	31
Purchase of technology and licenses	(26)	(44)
Sales and maturities of marketable securities		461
Net cash used in investing activities	(1,313)	(161)
Financing activities
Proceeds from issuance of common stock	53	22
Payments of Italian government loan		(26)
Purchase of treasury stock	(522)	(719)
Common stock cash dividend paid	(619)
Net cash used in financing activities	(1,088)	(723)
Effect of exchange rate changes on cash and cash equivalents	94	(160)
Net increase (decrease) in cash and cash equivalents	(1,209)	2,416
Cash and cash equivalents at beginning of period	22,614	23,192
Cash and cash equivalents at end of period	$ 21,405	$ 25,608