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Commitments (Details 1) - Purchase Warrants [Member] - $ / shares	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance, at beginning	1,609,309	1,809,309	4,272,890
Exercised	(756,143)	(200,000)	(2,463,581)
Issued	350,000
Expired	(524,787)
Balance, at end	678,379	1,609,309	1,809,309
Share based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price [Roll Forward]
Balance, at beginning	$ 2.66	$ 2.70	$ 2.11
Exercised	2.96	3.00	1.67
Issued	4.19
Expired	3.00
Balance, at end	$ 2.87	$ 2.66	$ 2.70

X

- Definition

The number of exercised in period made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

No definition available.

+ Details

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- Definition

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+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Information related to share based compensation arrangement by share based payment award equity instruments other than options outstanding weighted average exercise price.

+ References

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- Definition

Information related to share based compensation arrangement by share based payment award equity instruments other than options outstanding weighted average exercise price.

+ References

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- Definition

Information related to share based compensation arrangements by share based payment award equity instruments other than options exercised in period weighted average exercise price.

+ References

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- Definition

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+ References

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- Definition

Represents information related to share based compensation arrangements by share based payment award equity instruments other than options exercised in period weighted average issued price.

+ References

No definition available.

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X

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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