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, 2016
Sep. 30, 2015
Cash flow from operating activities    
Net loss $ (13,639) $ (21,447)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 1,123 1,265
Amortization of intangible assets 375 375
Amortization of lease incentive for tenant improvements 15 15
Non cash interest expense 1,778 1,724
Gain (loss) on extinguishment of debt 661 (2,324)
Stock based compensation 197 780
Change in fair value of derivative liabilities 228 8,879
Loss on extinguishment of derivative liabilities 1,263
Gain on disposal of equipment (13) (15)
Provision for inventory reserve 861 954
Bad debt recovery (7)
Offering costs 571 821
Changes in operating assets and liabilities:    
Trade accounts receivable 1,390 144
Prepaid expenses and other current assets (138) (334)
Inventories 428 1,158
Accounts payable and accrued liabilities 906 (316)
Net cash used in operating activities (5,257) (7,065)
Cash flows from investing activities    
Purchase of property and equipment (427) (501)
Proceeds from sale of property and equipment 30 28
Net cash used in investing activities (397) (473)
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs ($300) 2,540 4,337
Proceeds from issuance of preferred stock, net of issuance costs ($371) 3,622
Proceeds from issuance of warrant derivative liability, net of issuance costs of ($571) 5,246
Proceeds from the exercise of warrants 448
Payments on long-term debt (5,071) (1,158)
Issuance costs paid for debt (267)
Debt extinguishment payments (1,728) (2,500)
Payments for capital lease (8)
Purchase of treasury stock (120)
Net cash provided by financing activities 4,782 559
Net decrease in cash and cash equivalents (872) (6,979)
Cash and cash equivalents at beginning of period 11,485 18,247
Cash and cash equivalents at end of period 10,613 11,268
Noncash investing and financing activities    
Derivative liability reduced with exercise of warrants 274
Debt converted to common stock 2,480 202
Common stock issued for cashless exercise of warrant derivative liabilities 11,589
Issuance of treasury stock upon conversion of RSUs to common stock 120
Derivative liabilities issued with preferred stock 382
Capital lease for property and equipment 60
Deemed dividend related to beneficial conversion feature of preferred convertible stock and accretion of a discount (as restated) 6,278
Supplemental cash flow information    
Cash paid for interest $ 1,330 $ 1,845