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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net loss | $ (91,940,882) | $ (58,725,412) | $ (31,703,433)
Net loss attributable to non-controlling interests |  | 95,222 | 560,144
NET LOSS ATTRIBUTABLE TO ARROWHEAD | (91,940,882) | (58,630,190) | (31,143,289)
Loss from discontinued operations |  |  | 354
(Gain) loss on disposal of fixed assets | (19,195) | 58,878 | 76,388
Change in value of derivatives | (2,869,267) | 6,033,659 | 5,300,389
Contingent consideration - Fair Value Adjustments | 1,891,533 | 2,375,658 | 1,421,652
Acquired in-process research and development | 10,142,786 |  |
Stock-based compensation | 10,232,897 | 5,696,173 | 1,536,271
Depreciation and amortization | 2,336,207 | 1,345,655 | 1,751,412
Amortization of note premiums | 1,110,524 | 793,887 | 128,406
Gain on debt extinguishment |  | (84,721) |
Noncash gain in equity investment |  | (87,197) |
Noncash impairment expense |  | 2,172,387 | 2,315,721
Non-controlling interest |  | (95,222) | (560,144)
Changes in operating assets and liabilities: |  |  |
Receivables |  | 75,000 | (65,625)
Other receivables | (789,090) | (25,867) | 1,080
Prepaid expenses | (2,693,839) | (15,812) | 44,713
Other current assets | (2,492) | (13,287) | (1,811)
Accounts payable | 2,497,804 | 1,412,275 | 321,647
Accrued expenses | 4,435,784 | 3,478,094 | 27,920
Other | (40,385) | 94,257 | (187,910)
NET CASH USED IN OPERATING ACTIVITIES | (65,707,615) | (35,416,373) | (19,032,826)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Cash paid for acquisitions | (10,000,000) |  |
Purchases of property and equipment | (1,970,612) | (1,717,362) | (296,880)
Proceeds from sale of fixed assets | 500 | 10,000 | 89,505
Purchase of marketable securities |  | (46,365,528) | (10,732,571)
Proceeds from sale of marketable securities | 26,090,950 | 11,591,120 | 1,419,079
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES | 14,120,838 | (36,481,770) | (9,520,867)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Principal payments on capital leases | (213,991) | (225,406) | (214,801)
Proceeds from issuance of common stock and preferred stock, net |  | 172,641,671 | 42,448,826
Proceeds from the exercise of warrants and stock options | 504,512 | 12,878,044 | 2,057,178
NET CASH PROVIDED BY FINANCING ACTIVITIES | 290,521 | 185,294,309 | 44,291,203
Cash flows from discontinued operations: |  |  |
Operating cash flows |  |  | (354)
Net cash used in discontinued operations: |  |  | (354)
NET INCREASE (DECREASE) IN CASH | (51,296,256) | 113,396,166 | 15,737,156
CASH AT BEGINNING OF PERIOD | 132,510,610 | 19,114,444 | 3,377,288
CASH AT END OF PERIOD | 81,214,354 | 132,510,610 | 19,114,444
Supplementary disclosures: |  |  |
Interest paid | 14,429 | 25,635 | 42,044
3,321,383 shares of Common stock issued to Novartis for asset acquisition | $ 25,000,000 |  |
Galloway Limited |  |  |
Supplementary disclosures: |  |  |
131,579 shares of Common stock issued to Galloway Limited in settlement of services agreement |  | $ 500,000 |
Roche Madison Inc |  |  |
Supplementary disclosures: |  |  |
239,894 shares of Common stock issued to Roche for stock and asset acquisition |  |  | $ 986,049

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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 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=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 + Details
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- Definition Aggregate cash payments for a combination of transactions that are classified as investing activities in which assets, which may include securities, other types of investments, or productive assets, are purchased from third-party sellers. This element can be used by entities to aggregate payments for all asset purchases that are classified as investing activities. + References No definition available. + 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 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 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 -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 associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 3: 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 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 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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