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, unless otherwise specified
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Cash flow from operating activities    
Net loss $ (22,884) $ (8,948)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 1,368 1,290
Amortization of intangible assets 375 375
Amortization of lease incentive for tenant improvements 15 15
Non cash interest expense 961 275
Loss on extinguishment of debt 1,596  
Stock based compensation 10,851 381
Change in fair value of derivative liabilities (1,325) 150
Loss on disposal of equipment 112  
Provision for inventory reserve 1,500 778
Bad debt expense 38 102
Changes in operating assets and liabilities:    
Trade accounts receivable (388) 1,570
Prepaid expenses and other current assets 2,604 (1,574)
Inventories (4,047) (1,162)
Other long-term assets   3
Accounts payable and accrued liabilities (2,209) 1,260
Net cash used in operating activities (11,433) (5,485)
Cash flows from investing activities    
Purchase of property and equipment (2,027) (1,570)
Proceeds from sale of property and equipment 30  
Decrease in restricted cash 392 (38)
Purchases of marketable securities 0 0
Proceeds from maturities of marketable securities   2,680
Net cash provided by (used in) investing activities (1,605) 1,072
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs 15,369  
Proceeds from issuance of stock in connection with exercise of warrants   2,878
Proceeds from exercise of stock options   77
Proceeds from issuance of preferred stock   8,852
Proceeds from line of credit   10,940
Payments on line of credit   (13,513)
Payments on long-term debt (18,000)  
Debt extinguishment payments (735)  
Proceeds from issuance of long-term debt 25,800  
Payment of deferred financing costs (1,315)  
Net cash provided by financing activities 21,119 9,234
Net increase in cash and cash equivalents 8,081 4,821
Cash and cash equivalents at beginning of period 2,279 2,741
Cash and cash equivalents at end of period 10,360 7,562
Noncash investing and financing activities    
Reclassification of warrant liability 5  
Deferred financing costs included in accounts payable and accrued liabilities 64  
Stock and derivative liabilities issued with long-term debt 3,350 0
Derivative liabilities issued for prepaid financing costs 46  
Derivative liabilities issued with preferred stock   871
Supplemental cash flow information    
Cash paid for interest 1,167 1,057
Preferred Stock
    
Noncash investing and financing activities    
Preferred stock converted into common stock $ 161,456