Dispositions - Additional Information (Detail) - Jun. 30, 2015 - USD ($)	Total	Total
Discontinued Operations and Disposal Groups [Abstract]
Total consideration to sale agreement	$ 0
Loss on sale of business	$ (917,000)	$ (917,000)

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

No definition available.

Name:	us-gaap_GainLossOnSaleOfBusiness
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration