Asset Retirement Obligations (Details Textual) - USD ($)	12 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Asset Retirement Obligations (Textual)
Estimate of undiscounted cash flows related to asset retirement obligation	$ 647,631	$ 616,191
Fair value of liability	$ 493,411	$ 452,533
Risk free rate	3.74%
Inflation rate	2.00%
Term of settlement of the obligation	26 years

Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Name:	us-gaap_AssetRetirementObligationsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant