Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net income (loss)	$ (614)	$ 4,695
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation	1,372	1,662
Amortization	1,034	636
Allowance for doubtful accounts	(205)	475
Deferred income taxes	(82)	(16)
Stock-based compensation	1,694	1,207
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	4,291	(13,333)
Inventories	(617)	(19)
Prepaid expenses, other current assets and other non-current assets	(874)	1,708
Accounts payable	(1,805)	1,489
Accrued liabilities and other non-current liabilities	(2,791)	880
Net cash provided by (used in) operating activities	1,403	(616)
Investing Activities
Purchases of property, equipment and patents	(2,141)	(1,611)
Payments for intangible assets	(3,010)	0
Payment for acquisitions, net of cash acquired	(8,079)	0
Net cash used in investing activities	(13,230)	(1,611)
Financing Activities
Proceeds on short-term borrowings	0	1,608
Proceeds from exercises of stock options	297	0
Excess tax benefit from exercises of stock options	7	0
Treasury shares withheld	(267)	(351)
Net cash provided by financing activities	37	1,257
Effect of exchange rate fluctuations on cash	(405)	189
Net decrease in cash and cash equivalents	(12,195)	(781)
Cash and cash equivalents at beginning of period	27,738	24,453
Cash and cash equivalents at end of period	$ 15,543	$ 23,672