XML 81 R36.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Summary of Significant Accounting Policies - Estimated Useful Life of Property Plant and Equipment (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014
Office Equipment | Minimum |
Property Plant And Equipment [Line Items] |
Estimated useful life | 3 years
Office Equipment | Maximum |
Property Plant And Equipment [Line Items] |
Estimated useful life | 5 years
Leasehold Improvements | Minimum |
Property Plant And Equipment [Line Items] |
Estimated useful life | 8 years
Leasehold Improvements | Maximum |
Property Plant And Equipment [Line Items] |
Estimated useful life | 12 years

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |