Income Taxes (Narrative) (Details) - USD ($)			3 Months Ended	12 Months Ended
	Jul. 28, 2020	Mar. 27, 2020	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Income Tax Contingency [Line Items]
Total Deferred tax assets				$ 2,551,300	$ 3,529,161
Tax receivable associated with carryback of net operating loss				3,805,227	$ 1,505,442
CARES Act [Member]
Income Tax Contingency [Line Items]
Net operating losses carryback term		5 years
Net operating losses carryback term start year		2018
Net operating losses carryback term end year		2020
Net operating losses carryback percentage.		80.00%
Net operating losses percentage of increase limitation on interest expense deductibility	50.00%	30.00%
Net operating losses carryback percentage of adjusted taxable income		50.00%
Total Deferred tax assets	$ 0
Refundable tax credit due to AMT credits			$ 1,400,000
Federal [Member]
Income Tax Contingency [Line Items]
Operating loss carry forwards valuation allowance				0
Federal [Member] | CARES Act [Member]
Income Tax Contingency [Line Items]
Tax receivable associated with carryback of net operating loss				2,200,000
Oklahoma [Member]
Income Tax Contingency [Line Items]
State net operating loss carry forwards				$ 350,543
Net operating loss carry forwards expiration period				2037
Operating loss carry forwards valuation allowance				$ 0
Arkansas [Member]
Income Tax Contingency [Line Items]
State net operating loss carry forwards				$ 95,611
Net operating loss carry forwards expiration period				2022
Operating loss carry forwards valuation allowance				$ 95,611