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Series Preferred Stock	12 Months Ended
Series Preferred Stock	Sep. 30, 2017
Equity [Abstract]
Series Preferred Stock	SERIES PREFERRED STOCK We have 2,000,000 shares of Series Preferred Stock authorized for issuance, including both series subject to and series not subject to mandatory redemption. We had no shares of Series Preferred Stock outstanding at September 30, 2017 or 2016.