Subsequent Event (Details) - Subsequent Event $ in Millions	Jan. 31, 2016 USD ($)
Subsequent Events
Unbilled receivables that have been cancelled	$ 1.3
Expected impact on statement of operations	1.2
Liability of deferred revenue and contract loss accrual	$ 1.2

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration