Accounts Receivable	6 Months Ended
Mar. 31, 2018
Accounts Receivable [Abstract]
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]	Accounts Receivable Accounts receivable is stated net of an allowance for uncollectible accounts of $755,000 and $946,000 as of March 31, 2018 and September 30, 2017, respectively.

The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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