Discontinued Operations - Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Discontinued Operations and Disposal Groups [Abstract]
Other current assets	$ 16	$ 46
Current assets of discontinued operations	16	46
Total assets of discontinued operations	16	46
Other current liabilities	45	139
Current liabilities of discontinued operations	45	139
Total liabilities of discontinued operations	$ 45	$ 139