Note 9 - Income Tax (Details) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 31, 2019	Dec. 26, 2018	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	34.00%	21.00%	34.00%	34.00%
Operating Loss Carryforwards	$ 5.74			$ 5.74		$ 5.63
Deferred Tax Assets, Net	$ 1.58			$ 1.58

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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