Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Cash flow from operating activities    
Net loss $ (7,070) $ (12,790)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 432 1,123
Amortization of intangible assets 402 375
Amortization of lease incentive for tenant improvements 15 15
Non-cash interest expense 675 1,778
Loss on extinguishment of debt 661
Stock based compensation 173 197
Change in fair value of derivative liabilities (21) (50)
Loss (gain) on disposal of equipment 2 (13)
Provision for inventory reserve 1,300 861
Changes in operating assets and liabilities:    
Trade accounts receivable 33 1,390
Prepaid expenses and other current assets 63 (138)
Inventories 246 428
Accounts payable and accrued liabilities (646) 906
Net cash used in operating activities (4,396) (5,257)
Cash flows from investing activities    
Purchase of property and equipment (917) (427)
Proceeds from sale of property and equipment 30
Net cash used in investing activities (917) (397)
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs 3,807 11,480
Proceeds from issuance of stock in connection with exercise of warrants 448
Proceeds from issuance of debt 2,500
Payments on debt (5,043) (5,071)
Issuance costs paid for debt (50) (267)
Debt extinguishment payments (1,728)
Payments for capital lease (8)
Net cash provided by financing activities 1,214 4,782
Net decrease in cash and cash equivalents (4,099) (872)
Cash and cash equivalents at beginning of period 6,915 11,485
Cash and cash equivalents at end of period 2,816 10,613
Non-cash investing and financing activities    
Deemed dividend related to beneficial conversion feature of preferred convertible stock and accretion of a discount 6,278
Debt converted to common stock 2,480
Capital lease for property and equipment 60
Debt discount from warrants issued with debt 189
Supplemental cash-flow information    
Cash paid for interest $ 333 $ 1,330