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v3.5.0.2

Consolidated Statements of Cash Flows - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Cash flows from operating activities |  |
Net loss | $ (9,338,000) | $ 1,715,000
Adjustments required to reconcile net loss to net cash used in operating activities: |  |
Change in fair value of warrant liability | (2,403,000) | (9,304,000)
Warrants and other allocable expenses | 431,000 | 213,000
Gain on re-valuation of liquidated damages liability |  | (120,000)
Amortization of patents | 23,000 | 23,000
Depreciation | 245,000 | 217,000
Stock-based compensation | 1,698,000 | 253,000
Changes in operating assets and liabilities: |  |
Accounts receivable | 101,000 | 60,000
Accounts payable, accrued expenses, deferred revenue and other | 482,000 | (11,000)
Accrued severance | (298,000) | (64,000)
Prepaid expenses and other current assets | (49,000) | (446,000)
Net cash used in operating activities | (9,108,000) | (7,464,000)
Investing activities: |  |
Purchases of property and equipment | (266,000) | (160,000)
Net cash used in investing activities | (266,000) | (160,000)
Financing activities: |  |
Proceeds from warrant exercises |  | 396,000
Costs of Series B redeemable convertible preferred stock conversion to common stock | (173,000) |
Dividend payments | (80,000) |
Proceeds from issuance of common stock, net | 4,224,000 | 12,384,000
Net cash provided by financing activities | 3,971,000 | 12,780,000
Net (decrease) increase in cash and cash equivalents | (5,403,000) | 5,156,000
Cash and cash equivalents, beginning of period | 9,370,000 | 6,581,000
Cash and cash equivalents, end of period | 3,967,000 | 11,737,000
Supplemental schedule of non-cash financing activities: |  |
Accretion of Series B redeemable convertible preferred stock | 1,858,000 | 9,329,000
Fair value of warrant liability upon issuance | $ 1,816,000 | $ 4,210,000

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