Contingent Liabilities (Details Narrative) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2012	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Cap on environment financial responsibility	$ 1,871			$ 1,871
Environmental remediation expense			$ 1,771
Equity in loss of joint ventures	150	$ 31		180	$ 63	$ 128
Riverfront I Joint Venture
Environmental remediation expense	100
Total cost of remediation	2,024			2,024
Equity in loss of joint ventures	$ 140			$ 162		$ 89
Joint venture percentage stake	76.91%			76.91%		76.91%