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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	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

Income Taxes Receivable, Alternative Minimum Tax, CARES Act

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- Definition

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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)
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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
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