Future Maturities of Notes Payable (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014
Debt Instrument [Line Items]
2015	$ 1,112
2016	4
2017	1
Note payable - noncurrent portion, advances and capital leases	$ 1,117

Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant