CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows From Operating Activities:
Net income	$ 1,158	$ 1,213
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	489	542
Other	325	218
Changes in assets and liabilities:
Trade receivables	(717)	(1,447)
Inventories, net	(42)	(995)
Prepaid expenses and other assets	(1,150)	(404)
Accounts payable	(395)	988
Accrued liabilities	(2,642)	(768)
Net cash used in operating activities	(2,974)	(653)
Cash Flows From Investing Activities:
Consideration paid for acquisition	(1,350)	(332)
Purchase of property and equipment	(586)	(428)
Net cash used in investing activities	(1,936)	(760)
Cash Flows From Financing Activities:
Dividends paid	(216)
Stock transactions under employee benefit stock plans	439	95
Net cash provided by financing activities	223	95
Effect of foreign exchange rate changes on cash	113	82
Net decrease in cash and cash equivalents	(4,574)	(1,236)
Cash and cash equivalents at beginning of period	9,155	3,553
Cash and cash equivalents at end of period	$ 4,581	$ 2,317