Basis of Presentation and Liquidity - Additional Information (Detail) $ in Millions	3 Months Ended
Sep. 30, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Proceeds from debt financing transactions	$ 1.2

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

No definition available.

Name:	us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration