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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Cash flows from operating activities: |  |
Net loss | $ (4,984,441) | $ (9,793,324)
Loss from discontinued operations | 0 | 3,157,475
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation | 146,533 | 395,698
Depreciation and amortization | 87,324 | 98,924
Loss on disposal of assets | 0 | 47,301
Accretion on marketable securities | 82,221 | 0
Changes in operating assets and liabilities: |  |
Prepaid and other current assets | (2,447) | 86,263
Accounts receivable | 90,204 | 10,510
Other assets | 0 | 20,141
Due to/from PCT | 0 | 1,943,774
Accounts payable, accrued liabilities and other liabilities | (1,717,871) | (560,032)
Net cash used in operating activities - continuing operations | (6,298,477) | (4,593,270)
Net cash used in operating activities | 0 | (5,494,638)
Net cash used in operating activities | (6,298,477) | (10,087,908)
Cash flows from investing activities: |  |
Purchase of marketable securities | (24,143,913) | 0
Sale of marketable securities | 22,964,000 | 0
Acquisition of property and equipment | (8,528) | (69,650)
Net cash used in investing activities - continuing operations | (1,188,441) | (69,650)
Net cash used in investing activities - discontinued operations | 0 | (101,626)
Net cash used in investing activities | (1,188,441) | (171,276)
Cash flows from financing activities: |  |
Proceeds from exercise of options | 39,659 | 0
Tax withholding payments on net share settlement equity awards | (45,169) | (23,647)
Net proceeds from issuance of common stock | 0 | 3,241,460
Repayment of long-term debt | 0 | (756,966)
Proceeds from notes payable | 0 | 400,998
Repayment of notes payable | (67,131) | (193,518)
Advance payment received from potential PCT sale | 0 | 5,000,000
Net cash (used in) provided by financing activities - continuing operations | (72,641) | 7,668,327
Net cash used in financing activities - discontinued operations | 0 | (116,545)
Net cash (used in) provided by financing activities | (72,641) | 7,551,782
Net decrease in cash, cash equivalents and restricted cash | (7,559,559) | (2,707,402)
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 | 26,608,430 | 11,997,606
Less cash and cash equivalents of discontinued operations at end of period | 0 | 3,082,099
Cash, cash equivalents and restricted cash of continuing operations at end of period | 26,608,430 | 8,915,507
Cash paid during the period for: |  |
Interest | 3,295 | 130,204
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 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent). + 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=98514028&loc=d3e3179-108585 + Details
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