Asset Retirement Obligations (Details Textual) - USD ($)	6 Months Ended
Mar. 31, 2019	Sep. 30, 2018
Asset Retirement Obligations (Textual)
Estimate of undiscounted cash flows related to asset retirement obligation	$ 604,795	$ 624,354
Fair value of liability	$ 486,947	$ 493,467
Risk free rate	3.74%
Inflation rate	2.00%
Term of settlement of the obligation	24 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://fasb.org/us-gaap/role/ref/legacyRef
-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