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Income Taxes (Details) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Assumed Tax rate	21.00%	34.00%	34.00%
Net operating loss carryforwards	$ 11,123,000	$ 14,240,000	$ 11,223,000
Research and development tax credits	1,605,000	1,344,000	1,036,000
Foreign exchange and other	13,000	(25,000)	(25,000)
Unpaid charges	72,000	28,000	152,000
Intangible asset costs	28,000	51,000	57,000
Stock-based compensation	3,152,000	3,394,000	2,004,000
Valuation allowance for deferred tax assets	(15,993,000)	(19,032,000)	(14,447,000)
Net deferred tax assets

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