Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net loss	$ (3,025)	$ (1,806)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	1,049	944
Amortization	1,075	390
Gain on disposal of equipment	(26)	0
Allowance for doubtful accounts	0	85
Deferred income taxes	(167)	(141)
Stock-based compensation	833	1,225
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	2,378	2,584
Inventories	(279)	(856)
Prepaid expenses, other current assets and other non-current assets	183	(229)
Accounts payable	1,674	(2,451)
Accrued liabilities and other non-current liabilities	(5,002)	(1,656)
Net cash used in operating activities	(1,307)	(1,911)
Investing Activities
Purchases of property, equipment and patents	(383)	(1,193)
Proceeds from the sale of equipment	26	0
Payment for acquisitions, net of cash acquired	0	(8,079)
Net cash used in investing activities	(357)	(9,272)
Financing Activities
(Payments) / proceeds on short-term borrowings	(1,636)	732
Proceeds from exercises of stock options	0	298
Excess tax benefit from exercises of stock options	0	7
Treasury shares withheld	(252)	(267)
Net cash (used in) provided by financing activities	(1,888)	770
Effect of exchange rate fluctuations on cash	(118)	(419)
Net decrease in cash and cash equivalents	(3,670)	(10,832)
Cash and cash equivalents at beginning of period	18,637	27,738
Cash and cash equivalents at end of period	$ 14,967	$ 16,906