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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Cash flows from operating activities: |  |
Net loss | $ (9,793,324) | $ (12,047,796)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation | 533,198 | 851,246
Depreciation and amortization | 655,340 | 737,158
Loss on disposal of assets | 47,301 | 591,307
Deferred income taxes | 49,531 | 53,378
Changes in operating assets and liabilities: |  |
Prepaid and other current assets | 241,087 | (116,610)
Accounts receivable | (277,033) | (46,730)
Deferred costs | 43,657 | (1,074,435)
Unearned revenues | 126,468 | 3,069,840
Other assets | 57,968 | 81,754
Accounts payable, accrued liabilities and other liabilities | (1,772,101) | (127,410)
Net cash used in operating activities | (10,087,908) | (8,028,298)
Cash flows from investing activities: |  |
Acquisition of property, plant and equipment | (171,276) | (1,044,827)
Net cash used in investing activities | (171,276) | (1,044,827)
Cash flows from financing activities: |  |
Payments Related to Tax Withholding for Share-based Compensation | (23,647) | 0
Net proceeds from issuance of common stock | 3,241,460 | 1,096,208
Repayment of long-term debt | (756,966) | (6,348,646)
Proceeds from notes payable | 400,998 | 368,615
Repayment of notes payable | (310,063) | (335,297)
Proceeds From Licensing Agreements, Milestone Payments | 5,000,000 | 0
Sale of ownership interest in subsidiary | 0 | 19,400,000
Net cash provided by financing activities | 7,551,782 | 14,180,880
Net (decrease) increase in cash and cash equivalents | (2,707,402) | 5,107,755
Cash and cash equivalents at beginning of period | 14,705,008 | 20,318,411
Cash and cash equivalents at end of period | 11,997,606 | 25,426,166
Cash paid during the period for: |  |
Interest | 130,204 | 973,729
Proceeds from Stock Options Exercised | 0 | 0
Proceeds from exercise of warrants | 0 | $ 0
Hitachi Chemical Co., LTD [Member] |  |
Cash flows from financing activities: |  |
Proceeds From Licensing Agreements, Milestone Payments | $ (5,000,000) |

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