Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (19,549)	$ (8,622)
Reconciliation of net loss to net cash used in operating activities
Depreciation	2,149	403
Amortization of intellectual property	118	93
Accretion of asset retirement obligation	21
Fair value of warrants issued for consulting services		138
Stock based compensation	592	898
Amortization of debt discount	206	26
Amortization of deferred financing costs	63	44
Non-cash convertible note interest expense	456	197
Impairment of acquired intellectual property	2,411
Changes in operating assets and liabilities
Accounts receivable	(577)
Inventory	(1,159)
Prepaid expenses and other current assets	150	(80)
Accounts payable	1,152	500
Accrued expenses	773	530
Deferred rent	(132)	71
Net cash used in operating activities	(13,326)	(5,802)
Cash flows from investing activities:
Decrease in restricted cash	1,124	8,263
Purchases of property and equipment, net	(6,618)	(20,940)
Other assets		(93)
Intellectual property related expenditures	(436)	(165)
Net cash used in investing activities	(5,930)	(12,935)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of transaction costs	11,556	9,167
Payments on notes payable	(133)
Payments on capital leases	(102)	(21)
Proceeds from issuance of convertible notes payable, net of issuance costs		4,858
Net cash provided by financing activities	11,321	14,004
Net decrease in cash and cash equivalents	(7,935)	(4,733)
Cash and cash equivalents at beginning of period	25,458	20,141
Cash and cash equivalents at end of period	17,523	15,408
Non-cash investing activities
Tenant improvement allowances		78
Non-cash financing activities
Capital lease		143
Supplemental disclosure of non-cash transactions
Change in property and equipment resulting from change in accounts payable	(344)	2,548
Change in property and equipment resulting from change in accrued expenses	(702)	123
Decrease in restricted cash resulting from a decrease in accounts payable		2,644
Recognition of convertible debt discount		4,975
Asset retirement obligation offset with asset retirement cost (property and equipment)	670
Fair value of common stock issued for intellectual property	$ 2,149