Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities
Net income	$ 1,873	$ 1,797
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,633	1,466
Stock-based compensation	936	847
Impairment charges		83
Provision for losses in accounts receivable	140	98
Provision for inventory write-downs	947	772
(Gain) loss on divestitures	(2)	735
Noncash restructuring charges		725
Foreign currency transaction (gain) loss	286	(178)
Changes in operating assets and liabilities:
Accounts receivable	(101)	(422)
Inventory	(3,078)	64
Prepaid expenses and other assets	63	(172)
Accounts payable and other liabilities	1,594	(872)
Net cash provided by operating activities	4,295	3,473
Investing activities
Purchases of property and equipment	(788)	(1,404)
Payments related to acquisitions	(19)	(641)
Receipts related to divestitures	250	1,411
Purchase of technology and licenses	(110)	(47)
Net cash used in investing activities	(667)	(681)
Financing activities
Proceeds from issuance of common stock	29	64
Purchase of treasury stock	(1,985)	(1,459)
Common stock cash dividend paid	(1,140)	(929)
Net cash used in financing activities	(3,096)	(2,324)
Effect of exchange rate changes on cash and cash equivalents	(25)	5
Net increase in cash and cash equivalents	507	473
Cash and cash equivalents at beginning of period	20,132	22,614
Cash and cash equivalents at end of period	$ 20,639	$ 23,087