Contingent Liabilities (Details Narrative) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2012
Contingent Liabilities Details Narrative
Cap on environment financial responsibility	$ 1,871
Environmental remediation expense			$ 1,771
Total cost of remediation	1,900
Environmental remediation recovery	$ 3,000	$ 0