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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Cash flows from operating activities: |  |
Net (loss) income | $ (9,061,633) | $ 28,671,684
Income from discontinued operations | 0 | (37,329,963)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation | 2,114,596 | 1,819,382
Depreciation and amortization | 169,434 | 193,845
(Gain) loss on disposal of assets | (1,378,763) | 175,793
Accretion on marketable securities | 155,292 | 39,175
Changes in operating assets and liabilities: |  |
Prepaid and other current assets | 83,605 | 422,656
Other assets | 157,561 | 179,763
Due to/from PCT | 0 | (1,231,258)
Accounts payable, accrued liabilities and other liabilities | (4,424,043) | (2,879,408)
Net cash used in operating activities - continuing operations | (12,183,951) | (9,938,331)
Net cash used in operating activities | 0 | (638,069)
Net cash used in operating activities | (12,183,951) | (10,576,400)
Cash flows from investing activities: |  |
Purchase of marketable securities | (38,321,027) | (36,421,971)
Sale of marketable securities | 36,482,000 | 0
Proceeds from CFC device sale | 2,500,000 | 0
Net proceeds from PCT sale | 0 | 70,264,395
Net cash sold in PCT sale | 0 | (6,727,263)
Acquisition of property and equipment | (10,652) | (97,052)
Net cash provided by investing activities - continuing operations | 650,321 | 27,018,109
Net cash used in investing activities - discontinued operations | 0 | (188,794)
Net cash provided by investing activities | 650,321 | 26,829,315
Cash flows from financing activities: |  |
Proceeds from exercise of options | 341,893 | 13,576
Tax withholding payments on net share settlement equity awards | (402,532) | (357,665)
Net proceeds from issuance of common stock | 287,554 | 3,278,632
Repayment of long-term debt | 0 | (5,651,354)
Proceeds from notes payable | 0 | 400,998
Repayment of notes payable | (135,891) | (522,313)
Net cash provided by (used in) financing activities - continuing operations | 91,024 | (2,838,126)
Net cash used in financing activities - discontinued operations | 0 | (74,231)
Net cash provided by (used in) financing activities | 91,024 | (2,912,357)
Net (decrease) increase in cash, cash equivalents and restricted cash | (11,442,606) | 13,340,558
Cash, cash equivalents and restricted cash at beginning of period - continuing operations | 34,167,989 | 7,076,651
Cash and cash equivalents at beginning of period - discontinued operations | 0 | 7,628,357
Cash, cash equivalents and restricted cash at end of period | 22,725,383 | 28,045,566
Cash paid during the period for: |  |
Interest | 4,961 | 697,544
Taxes | $ 0 | $ 0

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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: 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=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: 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=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 25 -Paragraph 19A -URI http://asc.fasb.org/extlink&oid=96949009&loc=SL79513924-113897 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&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=82896770&loc=d3e26853-111562 Reference 2: 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=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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