Cash Flow

v3.8.0.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash flows from operating activities:    
Net loss $ (7,532) $ (4,894)
Reconciliation of net loss to net cash used in operating activities    
Depreciation 778 665
Amortization of intellectual property 47 36
Accretion of asset retirement obligation 11
Stock based compensation 144 161
Amortization of debt discount 235 42
Amortization of deferred financing costs 21 22
Non-cash convertible note interest expense 163 146
Inventory write down 39
Changes in operating assets and liabilities    
Accounts receivable (444)
Inventory 267 (238)
Prepaid expenses and other current assets 132 (301)
Accounts payable 144 307
Accrued expenses 83 (53)
Deferred rent (46) (43)
Net cash used in operating activities (5,958) (4,150)
Cash flows from investing activities:    
Purchases of property and equipment (1,337) (2,232)
Other assets (45)
Intellectual property related expenditures (43)
Net cash used in investing activities (1,337) (2,320)
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of transaction costs 2,107 10,654
Payments on notes payable (69) (44)
Payments on capital leases (39) (33)
Net cash provided by financing activities 1,999 10,577
Net (decrease) increase in cash, cash equivalents and restricted cash (5,296) 4,107
Cash, cash equivalents and restricted cash at beginning of period 22,793 26,582
Cash, cash equivalents and restricted cash at end of period 17,497 30,689
Supplemental disclosure of non-cash transactions    
Change in property and equipment resulting from change in accounts payable 504 761
Change in property and equipment resulting from change in accrued expenses (213) (768)
Asset retirement obligation offset with asset retirement cost (property and equipment) $ 670

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