Cash Flow

v3.7.0.1
Consolidated Statement of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating activities:    
Net loss $ (8,302) $ (3,651)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 475 440
Amortization of deferred rent (9) (9)
Stock-based compensation expense 394 1,574
(Gain) loss on change in fair value of warrant liability 69 (2,985)
Accretion of end of term payment of note payable 24 0
Changes in operating assets and liabilities:    
Accounts receivable 498 (314)
Inventories (470) (1,475)
Prepaid expense and other assets (188) (298)
Deferred costs of revenue (46) 4,335
Accounts payable 988 924
Accrued liabilities (808) 1,255
Deferred revenues 121 (6,585)
Net cash used in operating activities (7,254) (6,789)
Investing activities:    
Acquisition of property and equipment (138) (285)
Net cash used in investing activities (138) (285)
Financing activities:    
Principal payments on note payable (22) (19)
Fees paid related to 2015 issuance of convertible preferred stock 0 (173)
Proceeds from exercise of stock options 24 28
Net cash (used in) provided by financing activities 2 (164)
Effect of exchange rate changes on cash (30) 0
Net decrease increase in cash (7,420) (7,238)
Cash at beginning of period 16,846 19,552
Cash at end of period $ 9,426 $ 12,314

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