Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities
Net loss	$ (6,311)us-gaap_NetIncomeLoss	$ (3,153)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	453	351
Share-based compensation expense	875us-gaap_ShareBasedCompensation	265us-gaap_ShareBasedCompensation
Change in fair value of contingent purchase price consideration	47
Loss on change in fair value of warrants		10us-gaap_FairValueAdjustmentOfWarrants
Changes in operating assets and liabilities:
Accounts receivable, net	(627)	(3,828)
Inventory	457us-gaap_IncreaseDecreaseInInventories	(512)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	(1,733)	(1,605)
Accounts payable	480	2,282
Accrued liabilities	(2,298)	(3,240)
Deferred income	(11)	955
Net cash used in operating activities	(8,668)	(8,475)
Cash flows from investing activities
Purchases of property and equipment	(1,208)	(581)
Purchases of intangible assets		(17)
Decrease in restricted cash	200	57
Net cash used in investing activities	(1,008)	(541)
Cash flows from financing activities
Proceeds from issuance of ordinary shares	53,770
Proceeds from exercise of share options and warrants	4	1
Payments on loan	(42)us-gaap_RepaymentsOfDebt	(42)us-gaap_RepaymentsOfDebt
Net cash provided by (used in) financing activities	53,732	(41)
Effect of exchange rate changes on cash and cash equivalents	(194)	193
Net increase (decrease) in cash and cash equivalents, excluding restricted cash	43,862	(8,864)
Cash and cash equivalents at beginning of period	50,165	76,494
Cash and cash equivalents at end of period	$ 94,027	$ 67,630

The cash inflow associated with the amount received from holders exercising their stock options and warrants.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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