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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended |
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Sep. 30, 2020 | Sep. 30, 2019
Income Tax Examination [Line Items] |  |
Deferred tax assets valuation allowance | $ 0 |
ATM credits receivable as result of CARES Act | 366,000 |
Federal |  |
Income Tax Examination [Line Items] |  |
Net operating losses | 7,400,000 | $ 18,900,000
Net operating losses utilized to offset taxes | $ 11,500,000 |

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- Definition Operating Loss Carryforwards, Amount Utilized + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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