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v3.3.1.900

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Cash flows from operating activities: |  |  |  |
Net loss |  | $ (36,415,026) | $ (32,741,274) | $ (26,439,159)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
Depreciation and amortization |  | 1,125,696 | 1,307,203 | 1,058,725
Stock-based compensation |  | 4,244,408 | 2,034,898 | 2,608,670
Amortization of debt discount and issuance costs |  | 114,180 | 240,021 | 288,951
Gain on disposal of fixed assets |  | (168,898) | (75,917) | (38,854)
Impairment of intangible asset |  | 239,241 | 530,100 |
Impairment of goodwill |  |  | 1,910,062 |
Loss on disposal of intangible assets relating to discontinued operations |  |  | 186,846 |
Fair value of property gifted |  |  | 5,671 |
Change in fair value of warrant liability |  | (913,587) | (2,422,451) | (3,253,253)
Changes in operating assets and liabilities: |  |  |  |
Trade receivables |  | 155,419 | (55,457) | 3,606
Other receivables |  | 199,365 | 192,795 | (298,734)
Prepaid and other current assets |  | 507,659 | (465,478) | 801,611
Accounts payable and accrued expenses |  | 292,190 | 2,055,437 | 2,143,917
Accrued wind-down expenses |  | 392,230 |  | (1,102,762)
Deferred revenue |  | (16,826) | (66,925) | (24,270)
Deferred rent |  | (66,463) | (5,169) | 435,967
Other assets non-current |  | (369,012) | 17,207 | 493,584
Net cash used in operating activities |  | (30,679,424) | (27,352,431) | (23,322,001)
Cash flows from investing activities: |  |  |  |
Purchases of marketable debt securities |  |  |  | (687,798)
Sales or maturities of marketable debt securities |  |  |  | 14,430,000
Purchases of property, plant and equipment |  | (1,053,993) | (903,943) | (4,680,796)
Proceeds from sale of property, plant and equipment |  | 168,713 | 3,500 | 38,500
Acquisition of other assets |  |  |  | (64,000)
Proceeds from the disposal of assets related to discontinued operations |  |  | 474,821 |
Net (cash used in) provided by investing activities |  | (885,280) | (425,622) | 9,035,906
Cash flows from financing activities: |  |  |  |
Proceeds from issuance of common stock, net of issuance costs |  | 26,324,565 | 18,949,647 | 23,491,597
Proceeds from the exercise of warrants, net of issuance costs |  |  | 1,974,931 | 530,097
Proceeds from the exercise of stock options |  |  |  | 3,452
Proceeds from loan payable, net of issuance costs |  |  | 5,775,543 | 13,558,358
Repayment of debt obligations |  | (4,778,485) | (3,982,971) | (826,465)
Restricted cash related to debt obligations |  | (2,422,500) |  |
Repayment of capital lease obligations |  | (24,168) | (21,316) | (12,396)
Payments related to net share issuance of stock based awards |  | (392,587) | (499,333) | (342,366)
Net cash provided by financing activities |  | 18,706,825 | 22,196,501 | 36,402,277
Increase (decrease) in cash and cash equivalents |  | (12,857,879) | (5,581,552) | 22,116,182
Effects of foreign exchange rate changes on cash and cash equivalents |  | (19,159) | (16,269) | (2,033)
Cash and cash equivalents, beginning of period |  | 24,987,603 | 30,585,424 | 8,471,275
Cash and cash equivalents, end of period |  | 12,110,565 | 24,987,603 | 30,585,424
Supplemental disclosure of cash flow information: |  |  |  |
Interest paid |  | 506,319 | $ 479,011 | 427,040
Supplemental schedule of non-cash investing and financing activities: |  |  |  |
Equipment acquired under a capital lease | [1] | $ 28,882 |  | 43,600
Equity Financing Agreement [Member] |  |  |  |
Supplemental schedule of non-cash investing and financing activities: |  |  |  |
Fair value of 139,548 shares issued as consideration in the acquisition of a patent portfolio |  |  |  | 600,006
Acquired Patent Portfolio [Member] |  |  |  |
Supplemental schedule of non-cash investing and financing activities: |  |  |  |
Fair value of 139,548 shares issued as consideration in the acquisition of a patent portfolio |  |  |  | $ 200,000
[1] | Represents the present value of future minimum capital lease payments for equipment leased.

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- Definition Noncash charitable contributions made by the entity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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- Definition Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash outflow for acquisition of or capital improvements on other tangible or intangible assets not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow from cash and cash items that are not available for withdrawal or usage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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