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Debt Schedule Of Financing Fees (Details) - USD ($) | 6 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Sep. 30, 2018 | Mar. 30, 2014
Schedule Of Financing Fees [Line Items] |  |  |
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net | $ (15,529,000) | $ (17,055,000) |
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months | $ 7,318,000 |  |
Class of Warrant or Right, Outstanding | 6,000,000 |  |
Unamortized Debt Issuance Expense | $ 15,529,000 |  |
Amortization Of Present Value Discount- Current Fiscal Year | 1,933,000 |  |
Amortization Of Present Value Discount- Next Fiscal Year | 3,989,000 |  |
Amortization Of Present Value Discount- Year 3 | 4,154,000 |  |
Amortization Of Present Value Discount- Year 4 | 4,332,000 |  |
Amortization Of Present Value Discount- Year 5 | $ 1,121,000 |  |
Investment Warrants, Exercise Price | $ 4.19 |  |
Warrant liability fair value | $ 4,479,000 | $ 1,726,000 | $ 16,930,000
Amortization of Debt Issuance Costs | $ 1,525,000 |  |

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- Definition Warrant liability fair value + References No definition available. + Details
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- Definition Amount of amortization expense attributable to debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(8)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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