Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Jan. 31, 2014
Commitments And Contingencies [Line Items]
Minimum future payments related to rental assets	$ 1.1

Amount of minimum future payments to certain studios associated with certain revenue-sharing agreements related to rental assets.

No definition available.

Name:	hast_MinimumFutureLiabilitiesUnderRevenueSharingArrangement
Namespace Prefix:	hast_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant