Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (19,615)	$ (16,797)
Depreciation	219	198
Amortization of debt discount and issuance costs	3,277	679
Interest expense added to loan principal	6,942	6,065
Loss on early extinguishment of debt	2,250
Compensation charge for stock and share option awards	974	721
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	121	(44)
Increase in prepaid expenses and other	(3,146)	(147)
Increase in other assets	(214)	(214)
Increase in accounts payable	350	253
Increase (decrease) in accrued liabilities	2,432	(147)
Net cash used for operating activities	(6,410)	(9,433)
Cash flows from investing activities:
Additions to property, plant and equipment		(351)
Net cash used for investing activities		(351)
Cash flows from financing activities:
Up-front payment related to lease liability with related party	11,509
Proceeds from the issuance of long-term debt	7,600
Debt Issuance costs	(97)
Principal payments on long-term debt	(11,399)	(27)
Net cash provided by (used for) financing activities	7,613	(27)
Net increase (decrease) in cash and cash equivalents	1,203	(9,811)
Cash and cash equivalents, beginning of period	2,690	16,206
Cash and cash equivalents, end of period	$ 3,893	$ 6,395