CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net loss	$ (11,430)	$ (17,550)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation and amortization	1,182	496
Stock compensation expense	2,188	653
Change in fair value of warrants	(256)	155
Asset retirement obligation	(267)	0
Inventory provision	621	55
Bargain purchase gain	0	(3,634)
Foreign currency translation gain	5	(154)
Gain on sales of fixed assets	(35)	0
Changes in operating assets and liabilities:
Inventory	(339)	434
Accounts receivable	552	(3,930)
Other current assets	521	(855)
Accounts payable	(899)	(69)
Accrued expenses	(1,109)	1,071
Verigen liability payment	0	3,158
Restructuring reserve	0	1,004
Other non-current assets and liabilities, net	(43)	0
Net cash used for operating activities	(9,309)	(19,166)
Investing activities:
Acquisition of CTRM business, net of cash acquired	0	(1,450)
Expenditures for property, plant and equipment	(2,330)	(82)
Other	35	0
Net cash (used for) provided by investing activities	(2,295)	(1,532)
Financing activities:
Net proceeds from issuance of common stock and warrants	11	50,236
Payments on long-term debt	(26)	(6)
Net cash provided by (used in) financing activities	(15)	50,230
Effect of exchange rate changes on cash	0	(13)
Net (decrease) increase in cash	(11,619)	29,519
Cash at beginning of period	30,343	8,059
Cash at end of period	18,724	37,578
Supplemental cash flow information (non-cash):
Acquisition of business through issuance of promissory note	0	2,500
Additions to equipment in process included in accounts payable	65	0
Warrants exchanged for common stock	0	965
Equipment acquired under capital lease obligations	$ 0	$ 153