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Shareholders' Equity and Share-based Payments (Details)		3 Months Ended		9 Months Ended		12 Months Ended	15 Months Ended	133 Months Ended
	Apr. 14, 2016 shares	Jun. 30, 2017 USD ($) shares	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) item shares	Jun. 30, 2016 USD ($)	Sep. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) shares	Nov. 13, 2008 shares	Jan. 01, 2015 USD ($)
Share-based compensation
Common stock, shares authorized		75,000,000		75,000,000		75,000,000	75,000,000
Preferred stock, shares authorized		10,000,000		10,000,000		10,000,000	10,000,000
Share-based compensation expense | $		$ 0	$ 0	$ 0	$ 68,000
Income tax effect recognized as a charge 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
Stock repurchase program
Maximum number of shares approved under repurchase program	250,000
Period of time repurchase plan was authorized for beginning May 1, 2016	1 year
Number of shares of common stock purchased under the repurchase program						250,000
Cost of common stock purchased under the repurchase program | $						$ 724,776
Average market price of common stock purchased under the repurchase program (in dollars per share) | $ / shares						$ 2.90
Number of shares of common stock yet to be purchased under the repurchase program		0		0			0
RSU | Director
Share-based compensation
Shares settled in pro rata basis		1		1			1
1998 Plan
Share-based compensation
Number of shares of common stock reserved for awards		3,389,000		3,389,000			3,389,000
Share-based compensation expense | $		$ 0	0	$ 0	0
Number of additional shares were granted								0
1998 Plan | Independent contractors or consultants
Share-based compensation
Options granted								0
2009 Plan
Share-based compensation
Number of shares of common stock reserved for awards		1,200,000		1,200,000			1,200,000
Share-based compensation expense | $				$ 192,000	251,000		$ 0
Number of shares of common stock available for awards under the plan		259,598		259,598			259,598
2009 Plan | Employee
Share-based compensation
Share-based compensation expense | $				$ 0	68,000		$ 0
2009 Plan | Non-employee director
Share-based compensation
Share-based compensation expense | $		$ 0	$ 0	$ 192,000	$ 183,000
Fair market value of annual award of non-vested shares | $									$ 40,000
2009 Plan | Performance-based Award | Employee
Share-based compensation
Number of shares of common stock reserved for awards		300,000		300,000			300,000
2009 Plan | RSU | Non-employee director
Share-based compensation
Restricted stock units outstanding ( in shares)		0		0			0

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