Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flow from operating activities    
Net loss $ (17,952) $ (6,600)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 897 890
Amortization of intangible assets 250 250
Amortization of lease incentive for tenant improvements 10 10
Non cash interest expense 420 166
Loss on extinguishment of debt 1,596  
Stock based compensation 8,824 343
Change in fair value of derivative liabilities 562 265
Loss on disposal of equipment 34  
Provision for inventory reserve 670 267
Bad debt expense (20) 181
Changes in operating assets and liabilities:    
Trade accounts receivable (224) 944
Prepaid expenses and other current assets 2,723 19
Inventories (3,257) (66)
Other long-term assets   3
Accounts payable and accrued liabilities (2,938) (333)
Net cash used in operating activities (8,405) (3,661)
Cash flows from investing activities    
Purchase of property and equipment (1,365) (788)
Proceeds from sale of property and equipment 16  
Decrease in restricted cash 392 206
Purchases of marketable securities   (343)
Proceeds from maturities of marketable securities   1,405
Net cash provided by (used in) investing activities (957) 480
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 line of credit   7,090
Payments on line of credit   (8,392)
Payments on long-term debt (18,000)  
Debt extinguishment payments (735)  
Proceeds from issuance of long-term debt 22,300  
Payment of deferred financing costs (301)  
Net cash provided by financing activities 18,633 1,576
Net decrease in cash and cash equivalents 9,271 (1,605)
Cash and cash equivalents at beginning of period 2,279 2,741
Cash and cash equivalents at end of period 11,550 1,136
Noncash investing and financing activities    
Reclassification of warrant liability 5  
Deferred financing costs included in accounts payable and accrued liabilities 968  
Stock and derivative liabilities issued with long-term debt 2,184  
Supplemental cash flow information    
Cash paid for interest 238 198
Preferred Stock
    
Noncash investing and financing activities    
Preferred stock converted into common stock $ 161,456