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Shareholders' Equity and Share-based Payments (Details)	3 Months Ended		9 Months Ended		133 Months Ended
	Jun. 30, 2018 USD ($) shares	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) item shares	Jun. 30, 2017 USD ($)	Nov. 13, 2008 shares	Sep. 30, 2017 shares
Share-based compensation
Common stock, shares authorized	75,000,000		75,000,000			75,000,000
Preferred stock, shares authorized	10,000,000		10,000,000			10,000,000
Share-based compensation expense | $	$ 0	$ 0	$ 0	$ 0
Income tax effect recognized as a credit to additional paid-in capital related to share-based compensation | $	$ 0	0	$ 0	0
Number of share-based compensation plans maintained by the company | item			3
RSU | Director
Share-based compensation
Shares settled in pro rata basis	1		1
the '1998 Plan"
Share-based compensation
Number of shares of common stock reserved for awards	3,389,000		3,389,000
Share-based compensation expense | $	$ 0	0	$ 0	0
Number of additional shares were granted					0
the '1998 Plan" | Independent contractors or consultants
Share-based compensation
Options granted					0
the "2009 Plan"
Share-based compensation
Number of shares of common stock reserved for awards	1,200,000		1,200,000
Share-based compensation expense | $	$ 0	0	$ 200,000	192,000
Number of shares of common stock available for awards under the plan	202,128		202,128
the "2009 Plan" | Employee
Share-based compensation
Share-based compensation expense | $	$ 0	0	$ 0	0
the "2009 Plan" | Non-employee director
Share-based compensation
Share-based compensation expense | $	$ 0	$ 0	$ 200,000	$ 192,000
the "2009 Plan" | Performance-based Award | Employee
Share-based compensation
Number of shares of common stock reserved for awards	300,000		300,000
the "2009 Plan" | RSU | Non-employee director
Share-based compensation
Restricted stock units outstanding ( in shares)	0		0

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Shares used to settle in pro rata basis.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Gross number of share options (or share units) granted during the period.

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